Quick view Details COBB | sku: 515331 COBB Stainless Steel 3"Turbo Back Exhaust System - 2015+ STI Compare
Quick view Details Perrin | sku: PSPEXT349BR Perrin Catback Exhaust (Resonated) - 2015+ WRX/STI Compare
Quick view Details Perrin | sku: PSP-EXT-349BR Perrin Catback Exhaust (Non-Resonated) - 2015+ WRX/STI Compare
Quick view COBB | sku: 712660 COBB XLE BPV - 2015+ STI DESCRIPTION The COBB XLE BPV is a compact and lightweight by-pass valve that is capable of holding very high boost pressure without leaking. Its unique design allows for extremely fast venting of boost when actuated. Innovative engineering and... View Details Compare
Quick view COBB | sku: 312170 COBB Subaru Top Feed 725cc Fuel Injector - 2015+ STI DESCRIPTION The COBB 725cc Fuel Injector exists for those applications where the COBB 1000s is just a little bit too big, and will maintain strict linearity at flow rates that will satisfy even the smallest engines. This makes the COBB 725 ideal for... View Details Compare
Quick view COBB | sku: 515331 COBB Stainless Steel 3"Turbo Back Exhaust System - 2015+ STI The COBB Tuning Turboback is the ultimate power bundle for your 2015 Subaru STI! Simple plug‐in and bolt‐on installation of these components offer excellent power gains, outstanding build quality and an impressive exhaust note. THE TURBOBACK... View Details Compare
Quick view COBB | sku: 512252 COBB SS 2" Uppipe - 2015+ STI DESCRIPTION The COBB Tuning Uppipe is constructed of rugged, 14-gauge, 2-inch diameter polished stainless steel tubing to endure the intense exhaust gas temperatures these turbocharged engines put out. These Uppipes are CNC mandrel bent,... View Details Compare
Quick view COBB | sku: AP3-SUB-004 COBB Accessport V3 DESCRIPTION Simple ECU flashing with gauge package! The new in-cabin mountable Accessport V3 has a large, full color, higher resolution screen which allows you to monitor up to six parameters in real time. Fully customizable from the look (multiple... View Details Compare
Quick view Killer B | sku: klb070-110 Killer B Oil Pick Up - EJ25 This ULTIMATE OIL PICKUP uses a .12” thick double bracket, 3X OEM oil pickup tube thickness and a brace between bracket and oil pickup tube to further strengthen the assembly. This is a super duty, engineered solution. Fits all EJ25 motors. -... View Details Compare
Quick view Perrin | sku: PSP-INT-110 Perrin Panel Air Filter - 2015+ WRX/STI Don’t let a flimsy paper filter get between you and true performance.The PERRIN Performance™ dual stage, “Open Cell” foam, drop-in Panel Filter is the answer. A stealthy approach to higher air flow. Increases in horsepower are a... View Details Compare
Quick view GFB | sku: 5933 GFB Mach 2 Atmosphere Conversion Kit - 2015+ STI If you've purchased T9103 or T9133 and want to upgrade it to a vent to atmosphere BOV, here's the kit you need. Comes with a trumpet, spring, and plug. View Details Compare
Quick view GFB | sku: T9103 GFB Mach 2 TMS Recirculation Diverter Valve - 2015+ STI Here's the simple and essential mod for 30% quicker boost by utilizing proven TMS technology to ensure dependable boost holding and optimum throttle response. If you don't need the patented venting bias adjustment feature of the Respons or Deceptor Pro,... View Details Compare
Quick view GFB | sku: T9003 GFB Response TMS Adjustable BOV - 2015+ STI Atmosphere venting BOV won’t work on your car? Try a GFB Respons – you’ll be surprised! JUST ANOTHER DUAL-PORT BOV? On the surface it may look like just another dual-port blow-off valve,but the Respons is actually much more than that... View Details Compare
Quick view Perrin | sku: PSPEXT349BR Perrin Catback Exhaust (Resonated) - 2015+ WRX/STI The 2015 WRX exhaust is extremely quiet in stock form, so we had to create a louder exhaust. We filled this gap with our non-resonated cat-back exhaust. It is mellow, yet aggressive on the 2015 WRX, but much louder on the 2011-2014 WRX and 2011-2015 STI... View Details Compare
Quick view Perrin | sku: PSP-EXT-349BR Perrin Catback Exhaust (Non-Resonated) - 2015+ WRX/STI The 2015 WRX exhaust is extremely quiet in stock form, so we had to create a louder exhaust. We filled this gap with our non-resonated cat-back exhaust. It is mellow, yet aggressive on the 2015 WRX, but much louder on the 2011-2014 WRX and 2011-2015 STI... View Details Compare