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 

Mishimoto 01-07 WRX/STi Manual Aluminum Radiator. For Racing Application The X LINE is recommended due to its higher...
Mishimoto 01-07 WRX/STi Manual Aluminum Radiator. For Racing Application: The X LINE is recommended due to its higher...
The bar has been raised. So, you probably already know that you want an intercooler with maximum cooling...
Meticulous Engineering Meets Unparalleled Craftsmanship. You probably already know that you want an intercooler with maximum cooling and...
OEM Splitter choking your TMIC? We can fix that. These have both been a long time in the...
OEM Splitter choking your TMIC? Fix that. Tired of popping your hood only to have that ugly OEM...
Features: CNC machined from billet aluminum 5/8” Bore I.D. designed to accept -8 O-ring boss fittings 2 piece...
Features: CNC machined from billet aluminum 5/8” Bore I.D. designed to accept -8 O-ring boss fittings 2 piece...
Meticulous Engineering, Unparalleled Craftsmanship Replace that undersized, plastic stock intercooler with a GrimmSpeed Top Mount Intercooler Kit, featuring...
-30%
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...
The COBB XLE BPV is a compact and lightweight by-pass valve that is capable of holding very high...
The COBB XLE BPV is a compact and lightweight by-pass valve that is capable of holding very high...
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