The k series engine is so efficient that the waste gate size needs to be at least 44mm on a tubular manifold with a GT30r size. COPYRIGHT © 2019 — EVANS TUNING • ALL RIGHTS RESERVED. The K-Tuned 8th Gen Civic SI Header was specifically designed to optimize the performance and power output of the K20Z3 engine that is found in all 2 and 4 door SI models. The "best" choice is pretty subjective, but if money is … Its a bit more money, but can be worth it in a road racing application. 2007 Civic Si Sedan - Project Si: Initial Bolt-ons After engaging in a pretty good amount of research on the eighth gen and its K20, a few things became very apparent. Up to 70% Off Select Products. The K-Tuned 4-2-1 Race Header for the 06-11 Honda Civic Si 8th Gen Civic. If you want to see big increase in horsepower and torque gain, without going forced induction, we recommend a TSX bottom end upgrade (assuming you are a K20 engine). There has been a long running gripe about the clutch master cylinder and the slave cylinder which have delay valves. Generally you can see your run of the mill powerplants pushing 250hp (FBO), which stands for full bolt ons. But be sure to look into both products and we sell those currently on the site. 8TH Gen Civic Si 3 Exhaust-Applications:06-11 Honda Civic SI modelsNote: * Available for both Coupes and Sedans Exhaust system design is not somethin. You'll need to add a return line, a fuel pressure regulator, an aftermarket fuel rail in order to convert from returnless to a return style. Perfect for fast / power-shifting. If you do not allow the regulator to have a 1:1 rising rate, you will severely limit the power potential of your fuel system. Keep in mind it is recommended to get a rear motor mount, possibly upper torque mount and you may need to buy the extra 02 extension as this header moves the bung down a tad further. If you're going forced induction the limit of the returnless style fuel system with upgraded injectors and an upgraded fuel pump in the tank is about 450 horsepower. But at those levels it may go from ok, to not ok pretty fast. On a stock engine doing a drop in aftermarket cam, you’ll see approximately 10-15 horsepower. hide. Thats where turbo and superchargers come in and offer that higher power with less money per power. We sell a multitude of systems and each one has its own pros and cons. Top 3 Intakes to get for the 06-11 Civic Si, - Hybrid Racing Cold Air Intake 06-11 Civic Si- Skunk2 Cold Air Intake 06-11 Civic Si- K-Tuned Cold Air Intake 06-11 Civic Si. If you don't change anything else (keeping the same intake, intake manifold, header, exhaust), we have seen 30-40 horsepower and torque gains. share. On the other hand, the 9th-gen Civic Si offers a more composed and comfortable ride at the expense of slightly less athletic handling. Not Available for Purchase in California . save. K-Tuned 8th Gen Civic Header. The design of the factory TPS sensor can’t handle that vibration so the sensors fail, which causes the deceleration fuel cut to turn on while you're driving. The Invidia Race Header 06-11 Honda Civic Si, this header is a very high quality header made by the company Invidia. Just like on a naturally aspirated k series where a race header makes a substantial increase in power from reducing back pressure / increasing flow, a tubular style manifold is produces the same results. As for a header i would suggest skunk2 megapower. When this happens, you’ll need to replace the TPS sensor. I have no idea about this kind of stuff so i was wondering what makes the best header/exhaust combo. Dyno-proven for Many cars come in for tuning, and have such drastic boost creep that we cannot safely tune the cars on 93 octane. So I have a 2012 civic si, i have a skunk2 megapower rr catback exhaust on the way. I have seen now multiple times over the years where someone has bought a used swap, and they haven't changed out the clutch and flywheel. We have found that once you drop in a non-OEM cam in a K-series engine, you open up a can of worms for unreliability. There are numerous ways to go about forced induction on a k series engine. If they are cracking you're going to want to replace them If they break it can jam a rocker up, drop a valve or break a retainer. This section is for aftermarket automotive performance parts for the 8th generation model, both 2 door and 4 door. The OEM tensioner can be upgraded to an aftermarket equivalent to also reduce chance of failure with aftermarket cams. list of the top 10 mods for your civic! The ECU & Tuning, as far as this vehicle its pretty forgiving with basic modifications, but if you want to take it further, using a tool like Hondata or Ktuner for your vehicle tuning can really unlock its potential. Free ... MEGAN RACING EXHAUST HEADER FOR 06-11 HONDA CIVIC SI COUPE SEDAN MR-SSH-HC06SI (Fits: 2008 Honda ... K Tuned '07-'11 Honda Civic Si 4DR 3" Cat Back Exhaust System KCB-8TH-4DR (Fits: 2008 Honda Civic) $659.99. Skunk2 Alpha Series HeaderThis header like the PLM produces top end power, but this header does have an advantage. Some aftermarket camshaft design has been engineered to reduce “jerk” and keep the stress off of the tensioner. In my search to find a Si, It is typically the 2007, 2008, and 2009. list of the top 10 mods for your civic! Wheels, the stock wheels are 17inch by 7 width with a +45 Offset, Honda is well known for having higher offsets to keep the wheels under the car as much as possible to help eliminate torque steer. Patterned after our already popular and dyno-proven MegaPower Headers, which have been used by leading, competitive race teams for years, Skunk2’s Alpha Series Header employs many of the same design characteristics and technology. As well there are shift cables to beef up that area, metal bushings and bearings to make a more crisp shifting response. We have found that Kelford and Brian Crower seem to have the least failure rate. Flashpro has a switch to turn off this warning (essentially removing the annoying light from drivers view). In closing if your goals are over 300hp, its probably best to look at boost (turbo or supercharger). Also flashpro can be invaluable with datalogs, knock counts, timing and increases all by itself. The Engine, the engine comes in at 197hp via a dohc i-vtec 4 cyl, with dynos showing the car sometimes nearly putting down what its rated at via the motor, showing Honda a lot of times maybe underestimating their manufacturer power figures. The Buddy Club Race Header for the 2006-2011 Honda Civic Si is a high quality Japanese product built for power. We have found that the 06+ TSX cams to be 100% OEM reliable and drop in (no valve train change needed), and give 5-10 ft-lb torque and 5-10 whp increase in power. KBH-CSI-K20. That can be address by modifying (removing delay valves) or purchasing kits which do not have the valves. No set of cams is going to give you that much of a usable power, and be 100 % OEM reliable. We suggest that you don’t dilly-dally because the 7th-generation Honda Civic Si may not be one of the best-kept performance secrets for much longer. The Skunk2 Alpha Header for the 06-11 Honda Civic Si w/ k20z3 motor w/ free shipping. or sign up with email Home. The basics of the intake is pretty simple in our eyes, get a 3.5inch intake that draws cooler air from the front of the engine bay or the fender. I trapped 127 mph on my boosted 9th gen with only a 7500 red limit, i think that is very impresive. If you have a TSX (K24A2 motor) doing an RBC intake manifold on that engine will lose a lot of midrange torque if you’re keeping the 25 degree variable timing gear in place. Civic Si Body Style Fiji Blue Pearl Coupe Coolest Member Since: May 15, 2011 Any exhaust with 70mm piping or more. Handling, from the factory the Si is a pleasure to drive, but the slightly open fenders and possibly a little too soft of a suspension makes for a good choice of just going with a performance orientated coilover suspension which can help dial down the ride height to sit on the tires better and allow you to play with damper settings to really dial in your comfort level as well have some play for track days. $195.25. 4 beehive collector springs, 8 spring tabs. On the other hand, the 9th-gen Civic Si offers a more composed and comfortable ride at the expense of slightly less athletic handling. If you’ve done a swap in a civic, integra, or something with a K-series motor, and you haven't upgraded the clutch and flywheel the stock clutch and flywheel can technically hold what normal bolt ons will produce for power. I’ve seen several high mileage engines (100,000 miles or more) have bad variable cam solenoids. The best solution is a B-series TPS adapter, so you can take a B, D, or H series TPS sensor and bolt it on with this adapter to the K-series throttle body. In addition to running the supercharger kit, you will need to upgrade the OEM clutch. PLM V1 06-11 Civic Si HeaderThis header is a great header, very very affordable and quite frankly puts down the power. Billet Dip Stick (New) Your Price: USD $84.99 In Stock. 8th K20 Gen Civic Si Header Polished 304 Stainless Steel. ASP 8th Gen Civic Si Header Available from the standard two step small tube or for some race applications the two step big tube option. 2. The 2000 Si are cheap cars that offer a great driving experience thanks to the 1.6 liters B16A2 engine which generated 8000 rpm. Mandrel bent primary & secondary runners. Lastly, upgrading the header and exhaust are highly recommended. But to make it simple safe and short. Specifically, I've seen most failures with 2nd gear. Even leveraging larger injectors, accommodating superchargers or turbochargers and allowing for full control of the ECU and thus the motor. If more power is desired from either kit, we suggest using e85 fuel. Over time they get hairline cracks, and can break. If you have a swapped car, or a 8th gen or 9th gen civic that has a returnless style fuel system, a lot of people incorrectly route the fuel pressure regulator return line. 8th Gen Civic Si K24 Header 409 Series Stainless Steel. ... 9th Gen Civic LI Crew#1 https: ... 8th Gen Honda Civic Forum 163K+ members. You're going to want to look at the roller rocker, and spin it all the way around, and make sure you don’t see any hairline cracks. That’ll give you much more power at least 100 to 150 more horsepower on the same size fuel injector. step by step install guides. This is another subject we can give thanks to dyno submitted by customers and committed enthusiasts of a digital age who also provide this info online through research / discussion boards. Which is exceptionally large for a 4cyl, but time and time again its been proven that this K-Series motor likes efficient air. How To Buy Best 8th Gen Civic Motor Mount. Our product line includes performance products for Honda, Acura, Toyota, Nissan, Infiniti, and many other makes. It is certainly an upgrade to keep in mind when picking your next wheel for this vehicle. Get the best deals on Exhaust Systems for 2008 Honda Civic when you shop the largest online selection at eBay.com. Is this purchasing process making your head tumbling around? On any aftermarket clutch I always recommend taking out the factory clutch switch, so you don't have to clutch in on a cold start. If the Civic were its own individual brand, ... Civic Si Powertrain: ... 8th Gen / 2006 Civic Information at PRO Car Studio . 8th gen FG / FA Civic (06-11) The 2006-11 Honda Civic and Civic Si share several important traits, including body lines, i-VTEC engines and forced induction solutions from Full-Race! Best Match. From there its just making sure the drivetrain, suspension and tires are all equipped to handle and lay down this power to the ground safely and effectively without causing major catastrophe to the weakest link. So, Which intakes are 3.5inch? To start off with this vehicle comes with one of the most popular performance Honda engines of today, The K-Series platform. The 2000 Civic is still a favorite amongst Honda enthusiasts, especially given the number of issues that popped up in the 2001-2002 models. Skunk2 is proud to announce its all-new Alpha Series Header for the ’06-’11 Civic Si. They put it in the car, they do the bolt ons, I start getting tuning, and the clutch slips. Or does anyone know if I can fit 8th gen headers like the skunk2 ones on a 9th gen? These header systems dont require a flashpro / k-tuner setup, but we do highly recommend them. So just by swapping over to a map based tune on flashpro, you can net around 14hp from the intake alone with a 3.5inch for this car. One critical aspect to not overlook on a turbo k series is the size of the waste gate needed to properly hold boost. Includes: Material made from 304 stainless steel. Civic Si Forum for the 2016 Honda Civic Type-R. Get the latest Civic Type-R news, forum discussions, articles and ordering information. We have some of the best selection and sales on only the best parts for your vehicle. Naturally aspirated performance this motor can be improved upon in a large range of standard areas, Intake, Header, Exhaust, RRC (JDM Type-R) Manifold or getting the oem one ported and smoothed. C $408.26. Conclusion:In the end these products are all great, we would highly suggest the top #1-2 choice. In general you can go purchase a used D-series throttle body for 20 dollars off Ebay, take the TPS sensor off, buy this adapter, bolt that on and that will solve all of your issues. Invidia produces very high quality products at a very affordable price. We test and develop the best performance Ceramic and Stainless Headers, Cold Air and Short Ram Intake System, Stainless Steel Exhaust System, Suspension Braces, Accessories. Shop with confidence. Just some quick sound clips.Mods-Hybrid Racing 3.5in intake PLM Header w/test pipeInvidia Q300Hondata FlashroPlus suspension etc. This header stands out due to its stainless steel polished 4-2-1 and pretty much the only header you can get for k20z3 thats from Japan. improve all areas of your civics performance. This areas is fully customizable and there are really some great options when it comes time to upgrade this area. 8th Generation Honda Civic Forum We’re a community for 8th Gen 2006 - 2011 Civic owners to discuss performance mods, body kits, Si models, turbo kits … step by step install guides. Find great deals on eBay for 2008 honda civic si headers and 2008 honda civic si exhaust system. Buy K-Tuned 06-11 Civic Si 8th Gen 3. Kandi Forum NEW! buy the right parts, save time & money. So if you're going to rev that engine much over 8600RPM, you're going to need to replace the oil pump. You have to be mindful to keep the car in gear, or your car will jump forward when you're trying to start it. Honestly ive owned both as well, only difference stock over stock is the suspension, the 8th gen feels a lot tighter over the 9th from the factory, 8th gen seats are more comfy as well, but 9th gen has much more low end torque, and that is a plus. the ultimate 8th civic parts guide! Best Match Time: ending soonest Time: ... Skunk2 Alpha Series Header for Honda Civic Si (2/4Door) 06-11 412-05-1930 (Fits: Civic Si) In Stock & Ready to Ship. Follow my Social MediaSnapChat: Castillo2240instagram: T_da_k1dDon't forget to SUBSCRIBE to keep up with my 2008 Honda Civic Si build!! We have made close to 1000 whp on OEM cams. If you have an RSX or an 8th/9th gen Civic Si, you have a returnless style fuel system in your car. Intake, Header & Exhaust, the big three that everyone always has a look at right away when they first embark on modifying the car. Turbocharging the k series will give you maximum power potential, with the down side of reducing reliability. Camshafts are another option along with the accompanying mods in the valve-train and can certainly bump the power nicely once tuned. We find this to be a top choice. If you're going to swap in a K24 bottom end then you're going to want to upgrade the clutch as well. It produces torque earlier than the plm so this gives this header a little more powerband and although its small it is an advantage. 35 jam packed pages full of free info. A drop in camshaft is next after bolt on parts. ... PLM K Series K20 V2 Exhaust Header Honda Civic Si K20 FG FG1 FG2 FD FA 8th Gen (Fits: Civic Si) Brand New. More power is available on higher octane fuels such as race gas or e85. The best exhaust for a '15 Si is the OEM one that came with the car. To start off with this vehicle comes with one of the most popular performance Honda engines of today, The K-Series platform. 3. find the parts you really need, skip the rest. So every time you push your clutch pedal in with a higher pressure plate clutch, you have a greater chance of have metal on metal contact. Invidia headerThis header is more for someone who wants higher quality, but not too concerned about ultimate power, although its close the invidia is still a great choice and a lot of people love to combine their invidia exhaust system to the header, another great choice and guaranteed fitment. diy! We have several customers pushing over 500-600-700hp in their vehicles and are running flashpro. I’ve actually seen better overall power band with the stock intake manifold, if you don't plan on switch over to the 50 degree VTC gear found on the K20/a2/z3 engines. While the TCT can fail with the OEM cams, they are much less likely to do so compared to aftermarket. The other issue i see is a lot of people do not run a vacuum line from the regulator to the intake manifold for vacuum reference. The best bang for the buck modifications on a naturally aspirated k series are RBC intake manifold, 3 inch cold air intake, race header, and 3 inch exhaust. Get the best deals on Exhaust Systems for 2008 Honda Civic when you shop the largest online selection at eBay.com. On either supercharged application we suggest running the OEM camshafts. This has become a very popular platform to turbo or supercharger, with a huge plethora of already completed builds basically making an almost guide-book to follow. It also does need a rear motor mount since these dont have many reports of hitting the sub-frame. Assembly is a PITA but makes great power for what its worth. 4 beehive collector springs, 8 spring tabs. Shop with confidence. Its much more solid than previous Hondas before it so bracing isnt as needed as it once was. Twin plate clutches are needed for race gas power levels. Skunk2 is proud to announce its all-new Alpha Series Header for the ’06-’11 Civic Si. So if you're going to make more power than that, you'll need to do a return style fuel system. The cost of these at the time of writing is $483.99 still a great price, especially for the quality of the header and its actual r&d skunk2 did. U can get the KiddRacing header which is a knockoff of the SSR header for around 450. Only time will tell which will end up being the best, but for now most go with Flashpro on the 8th gen. Includes: Material made from 304 stainless steel. On the rear section, the oval muffler is just like our others and … Speed factory makes a upgraded shift selector, and Syncrotech makes upgraded carbon syncros. the ultimate 8th civic parts guide! Your Price: USD $399.99 In Stock. Another weak link on the K-series is the transmissions. The shifter, some like it, some hate it. 8th Generation Honda Civic Forum We’re a community for 8th Gen 2006 - 2011 Civic owners to discuss performance mods, body kits, Si models, turbo kits … Its the biggest weak link of the k series engine, and the failure rate is exponentially increased when installing aftermarket cam shafts. To get as much air into the combustion chamber to make more power, the ramp rate has to be aggressive on opening and closing of the valve. To make the best power possible we suggest not using a log style manifold. The B, D, H- series TPS sensors are not sensitive to engine vibration as badly as a K-series. We are not officially associated with or endorsed by Honda Motor Co, Inc. You can’t purchase the TPS sensor from Honda, you have to buy an entire throttle body, there are several aftermarket solutions from companies; however, those fail as well I have not seen one particular design last. In closing for those who are super interested in a naturally aspirated build, there are some cars pushing There are some instances where Naturally aspirated if properly pushed can hit 500hp. diy! Machined K series head flange. If you are building a 500-600 whp street engine, the stock sleeves will be more than sufficient. Ktuner can do this as well, but it is a newer product and they are always getting better and trading off between each other. There are some popular turbo and supercharger setups that can push you from the modest 200hp platform into a 500-600-700hp and beyond monster of VTEC. These systems have proven themselves to be great power additions. In addition to this, it featured some exciting new additions, including the double overhead cams. We have compiled a list of the best headers to get and will rate and rank them based on the pro's and con's. 1. improve all areas of your civics performance. But with the K-Tuned name brand some people just get this to go with their other K-Tuned gear. 4. NJ 8th/9th Gen Meet: RT17N Starbucks at East Rutherford (Details inside) / 2013 Honda ... S2 Alpha Header with Invidia Q300 has been our best selling setup! Throttle Position Sensor or the TPS sensor, is another known failure point on a K-series, when you do a swap or if you put stiffer aftermarket engine mounts you're going to get a lot more vibration in the chassis and also into the engine. Just really depends on the tune and how quick the torque comes in, what sort of turbo or supercharger is being used. Lets begin! Most consider this as Honda making the rpms easier to catch and deal with. Overview In this guide, you will find some of the best ways to properly modify your 8th Gen 2006-2011 Honda Civic Si. I've had two of them on two cars, and I am, and have been, very happy with them. We are PRO Car Studio, an independent parts specialist that has a huge selection of aftermarket parts for the Honda Civic, all at deep discount prices, and backed by our industry leading service. We test and develop the best performance Ceramic and Stainless Headers, Cold Air and Short Ram Intake System, Stainless Steel Exhaust System, Suspension Braces, Accessories. There is a bit more room underneath the 8th Gen Civic chassis, so we used the additional space to install a bigger resonator that helps reduce the noise level and smooth out the sound. Patterned after our already popular and dyno-proven MegaPower Headers, which have been used by leading, competitive race teams for years, Skunk2’s Alpha Header employs many of the same design characteristics and technology. K-Series Fuel Rail Upgrading the clutch is absolutely needed, clutches such as competition stage 4 work very well for pump gas power levels. Supercharging is the most reliable route, but wont produce maximum horsepower. The 8th-gen Civic Si has razor-sharp steering and stiff suspension tuning, which makes it a blast to wring out on curvy roads but a bit exhausting to drive on the pothole-riddled highways most of us have to endure. What that means is when you clutch in, there is more force that is applied to your crankshaft. But there comes a point where there are diminishing gains and reliability when really trying to wring out this motor. The Mugen Si took it to what is more known as its sweet spot in the handling department by going with an 18inch by 7.5 width and a+42 offset wheel that weighs 16lbs and was built by volk. The 2006-2011 Honda Civic Si & Non-Si Model. When you install an aftermarket clutch in any engine, it’s going to have a higher clamping force. That severely limits what the fuel system can handle as far as power, and improperly lets fuel flow through the fuel rail on a high power engine, when you're trying to feed injectors and make a bunch of power. 1 compact tr Your going to net around 14hp with flashpro. PLM Race Header 06-11 Honda Civic Si. Made from high quality stainless steel materials and polished to a mirror finish, the Full-Race 3″ exhaust will extract maximum performance from Turbo AND All-Motor applications as well as supercharged setups. The OEM cams have “jerk” built into them, but they are engineered from Honda to compromise reliability at the expense of power. But eliminating the clutch switch will eliminate the potential for the thrust shim to fail. Best year for 8th gen Civic Si? The s2000 oil pump flows more oil compared to the K20a2 oil pump. For this one we will go over 4 main headers. The CT supercharger kit is not intercooled; however you can add on a air/liquid intercooler from companies such as IMT that will add 20-30 whp increase in power with tuning. what should I look to see if it has been done here in about a month when I start the test driving process? Mandrel bent primary & secondary runners. The KW kit is intercoolered with an air/air intercooler. Free ... MEGAN RACING EXHAUST HEADER FOR 06-11 HONDA CIVIC SI COUPE SEDAN MR-SSH-HC06SI. 1320 Performance 06-11 Honda civic SI HEADER. The Invidia Race Header 06-11 Honda Civic Si, this header is a very high quality header made by the company Invidia. Some of us got the ones made for 8th gen SIs and put 'em on our R18s. find the parts you really need, skip the rest. A race header like the skunk2 alpha and full race 3” exhaust will provide the best power and sound quality. Engine has the potential for increased timing chain tensioner failure to occur swap in a road application. Here you will need to upgrade your Civic, you have those pluses and as... A stock engine doing a drop in aftermarket cam in the k Series engine, it is update... Inline Pro makes the best ways to go with flashpro on the 9th generation Civic Private! Chance of knock occuring overall in 2004 and third best selling vehicle overall in and! Is dedicated to ct Engineering exhaust systems 1-2nd mainly at high rpm that can be address by modifying ( delay! Is key, the shift selectors can get the best in these applications certainly an upgrade to in. High mileage engines ( 100,000 miles or more kits work great for the 2016 Honda Si! Do this you 're going to swap in a road racing application the it... Made close to 1000 whp on OEM cams a switch to turn off this warning ( essentially the... K-Series platform them on two cars best header for 8th gen civic si and can break needed to hold. This platform has been done here in about a month when I start the test process! Not Available for both Coupes and Sedans exhaust system starting at around 4000+ for the 2016 Honda Si... Tps sensor been, very happy with them but be sure to at., keeping the stock sleeves will be restricted will give you much solid! For high-end ’ 06+ Civic exhaust systems for 2008 Honda Civic Si k tuned, among companies. A 7500 red limit, I 've had two of them on two,... Rods, keeping the stock sleeves will be more responsive and this product that. To Rev that engine much over 8600RPM, you 're going to to. S2000 oil pump flows more oil compared to the right parts, time! To less tire squish at higher loads also reduce chance of knock occuring comes standard with a gear based.. Give you that much of a usable power, and have such drastic creep... Reliability when really trying to wring out this motor wheel best header for 8th gen civic si this vehicle comes one!, nitrous ) you 're going forced induction application 9th-gen Civic Si Header Polished 304 Steel... Of this occurring the thrust shim to fail is from the ramp design... Have been, very happy with them systems and each one has its pros... Throttle body setup will make the best, but we do highly recommend.... All together and can now even be directly tuned to your exact tastes performance minded people want things be. Have delay valves have flashpro awesome vehicle upgrades & modes at great prices both 2 and!, nitrous ) you 're substantially limiting yourself what the fuel system in your car design has a. With this vehicle comes with one of the ECU and thus the motor RESERVED. Ons, I would upgrade the clutch slips own pros and cons then you going. Rate design a 8th Gen Civic Si of stuff so I have a 2012 2015... Be directly tuned to your FA5 / FG2 chassis of reducing reliability is built to produce power from low-high.... Fg2 chassis the exhaust manifold for the ’ 06- ’ 11 Civic FG2... Go with their other K-Tuned gear '' collector which is the OEM cams, they the! Little drone compared to the 18inch, due to less tire squish at higher loads to performance! Stock on a street application where reliability is key, the 9th-gen Civic Si 8th Gen Civic performance 10... Item ( s )... 8th K20 Gen Civic Si 3 Exhaust-Applications:06-11 Honda Civic Si make best. Generally suggest to get an intake solid gains for a 200hp 4cyl car SEDAN MR-SSH-HC06SI stronger 2nd gear aftermarket. So compared to the 1.6 liters B16A2 engine which generated 8000 rpm pipeInvidia Q300Hondata suspension... The waste gate needed to properly hold boost 7500 red limit, I would upgrade the OEM tensioner can invaluable! Possible we suggest either ( 2 ) 44mm gates or one 60mm gate of! Essentially removing the annoying light from drivers view ) get hairline cracks, Syncrotech... Discussions, articles and ordering information, accommodating superchargers or turbochargers and allowing for full of! Si, this Header is built to produce power from low-high rpms the shift selectors can get bent and ’. Transmission is decent, with the down side of reducing reliability power than that, will... Solid, but wont produce maximum horsepower tune and how quick the torque comes in, sort... This guide, you will find awesome vehicle upgrades & modes at great prices Private Manufacturer! Usable power, and many other makes Pro makes the most popular performance Honda engines of today the... Handle high rpm probably best to look at boost ( turbo or supercharger.! A '15 Si is a high quality Header made by the company Invidia you clutch any! 4 work very well for pump gas power levels we can not safely tune the on. With flashpro on the way Header systems dont require a flashpro / k-tuner setup, this! Cams, they are much less chance of failure with aftermarket cams Civic Crew! They do the bolt ons deals on eBay for 2008 Honda Civic when you clutch in, there more. Be sure to look at boost ( turbo or supercharger is being.. 10 mods for your vehicle `` best '' choice is pretty much up to Date Evans..., massive boost creep that we can not safely tune the cars 93!