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 

ETS SUBARU '22+ WRX TOP MOUNT INTERCOOLER
This is the GrimmSpeed Front Mount Intercooler Kit. This is the latest offering from GrimmSpeed and has been...
The IAG Performance Version 2 Alternator Relocation Kit is designed to help the vehicle builder create space at...
Package Contents: (2) Engine to Exhaust Manifold Gaskets - 020001 (2) Exhaust Manifold to Cross Pipe Gaskets -...
The previous generation Subaru’s that utilize side feed injectors are limited to specific flow sizes as well as...
-28%
Turbo XS Rear Muffler Assembly for 2002-2007 WRX/STI
The TurboXS WRX STI Standard Rear Muffler Assembly is the epitome of subdued looks but performance sound. It's...
-10%
Turbosmart Kompact Dual Port Blow Off Valve for 2015+ WRX
50/50 Vented valve Specifically designed to suit BorgWarner EFR and KKK turbochargers Billet aluminum construction Use sealed O-Ring...
-30%
Invidia N1 Titanium Tip Catback Exhaust w/ Bead Blasted Piping for 2015+ WRX/STI
One of the best ways to get more performance to a sport compact without tearing apart the motor is a...
-10%
Turbosmart Comp-Gate40 Gen V 14psi Black
Features Turbosmart's unique  collar-locking system Variable actuator cap and base Strap -type V-band clamps Liquid cooling 1/8" NPT...
Tired of being teased for your boring engine bay? Did you replace your stock TMIC with one that...
Tired of being teased for your boring engine bay? Replace your stock TMIC with one that doesn't facilitate...
Spruce up your engine bay and make it stand out! At GrimmSpeed we pride ourselves in the design...
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