Engine

Here you will find all the components under the hood of your performance street car. From oil changes to short blocks and everything in between. Not sure whats right for your vehicle? Contact sales@builtnotboughtauto.com 

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Turbo XS Recirculation Bypass Valve for 2015+ WRX
The W15-XS-RBV from TurboXS is the valve to get if you want an upgraded Bypass Valve but want...
-10%
Cobb Tuning XLE BPV For Subaru WRX 2002-2007 / STI 2004+ / Forester 2006-2008
The COBB XLE BPV is a compact and lightweight by-pass valve that is capable of holding very high...
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Cobb Tuning XLE BPV For Subaru WRX 2008-2014 / Forester XT 2009-2013 / Legacy GT 2005-2009
The COBB XLE BPV is a compact and lightweight by-pass valve that is capable of holding very high...
1: About silencer shell type of Silent Hi-Power TYPE-S / Oval silencer for noise reduction. TYPE-H / Round...
-30%
Invidia N1 Stainless Tip Racing Catback Exhaust For 2008-2014 WRX Hatch
The Invidia WRX Exhaust System is constructed with fully polished SUS 304 stainless steel. The exhaust features CNC...
-30%
Invidia N1 Catback Exhaust For 08-14 Subaru STI Hatchback / 11-14 WRX Hatchback
Invidia N1 Exhaust: For a good balance of price and performance, Invidia offers the motorsport enthusiasts a strong...
-30%
Invidia N1 Titanium Tip Dual Catback Exhaust For 2008-2014 WRX Sedan / 2011-2014 STI Sedan / 2010-2013 Forester
Invidia N1 Exhaust: For a good balance of price and performance, Invidia offers the motorsport enthusiasts a strong...
-30%
Invidia N1 Stainless Dual Catback Exhaust For 2008-2014 WRX Sedan / 2011-2014 STI Sedan / 2010-2013 Forester XT
Invidia N1 Exhaust: For a good balance of price and performance, Invidia offers the motorsport enthusiasts a strong...
Inspired and designed from endurance and GT racing in Japan, HKS developed its Hi-Power Exhaust system for both...
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Invidia 3" N1 Racing Stainless Steel Catback Exhaust For 2002-2007 WRX/STI
Invidia N1 Exhaust: For a good balance of price and performance, Invidia offers the motorsport enthusiasts a strong...
The Fluidampr viscous damper will reduce wear on your engines main bearings and timing gear. Therefore achieving more...
The Fluidampr Crank Pulley has been designed to provide your vehicle with optimum harmonic balancing, especially if you...
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