The PERRIN Super Shifter Stop is a simple and effective modification that can enhance the performance of your manual transmission 2015-2023 Subaru WRX. This small but powerful upgrade can make a significant difference in the way your car shifts, giving you a solid, more precise feel when shifting....
Read MoreThe PERRIN Performance WRX Engine Dress-Up Kit When you pop the hood to show off your build, you want your car to look as good as it runs. Stock parts are lackluster, cheap, and don’t reflect any kind of individuality. With a few PERRIN Engine Dress Up Parts, you can quickly and easily transform you...
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We last left you with the dyno graphs from the stock 2015 STI and WRX. We showed how the 2015 STI spools slower than the 2008-2014 STI,yet still makes more power by about 20 Wheel HP. We were slightly concerned that Subaru may have really pushed the car with the newest ECU tune and there wouldn't be...
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STI Dyno Session Pretty much every tuner in the world thinks the 2015 STI is the same old boring EJ25 engine and that it's going to tune the same and make the same power. Well I hate to say it, but they're all wrong (as was I)! Our initial dynoing of the 2015 STI showed something very interesting. I...
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As you know we have been busy fitting parts, re-designing parts, and coming up with completely new parts for the new STI and WRX for a few weeks now. It’s time to get on with the pictures and commentary some of you have come to expect from us every time a new car comes out. Where's the FA25DIT!! I h...
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4/3/14, We found a part we could vastly improve upon. 4/20/14, We had it ready to ship to customers. During exploration of the 2015 WRX, we found a part we could make much better than the OEM part and at the same time improve how the car feels. The shifter bushing that controls the front to back a...
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Every time a new car or updated model comes out I spend a bunch of time picking apart the car, comparing it to the old version and or just showing off all the cool stuff. There is no exception to this for the 2015 WRX's and STI's, you just need to be patient. Instead of starting out by doing tthis "...
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Updated from July 2010 post with new pics and new data! When Subaru released the Version 8 STI in Japan we noticed how they moved to a twin scroll turbo and equal length exhaust manifold. This is what inspired us to make our first header for the WRX/STI! Would taking the equal length design of this ...
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We have a customer/friend that works at Portland Mini that owns a 2011 WRX and he was asking to get his car tuned. Normally we don't do a lot of customer tunes, but in this case i didn't have much planned one night, and i was dying to tune a Stage 3 2011 WRX. Ethans car is a 2011 WRX Sedan (My curr...
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Thomas begged me for about a year to tune his car and I finally gave in a few weeks back, when I had some spare time. Thomas's 07 WRX, as far as drivetrain and engine parts, is a typical Stage 3 car with a TMIC, but it has a gearbox with the JDM RA gear set installed. The gearing of RA gear sets mak...
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When you email tech@perrinperformance.com, or need help with an AccessPORT map, or ask for help with installing your PERRIN Radiator Shroud, you get Cone. Chris Cone that is. Chris handles all the AccessPORT customers along with all the general tech stuff. Chris is 100% a car, guy but never actual...
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We left our rather boring but tuned 08 WRX much faster than it started out but it was dying to get more power. While we were the first to tune the 08 WRX using an AP (not to mention first to tune an 08 WRX period with the Hydra) it was early enough in our development that we didn't have an exhaust ...
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