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 

The latest OEM Subaru tensioners work well for mild performance applications, but when used on vehicles with sequential...
The IAG Performance custom aluminum coolant expansion tank is designed for car builders seeking a race like engine...
About IAG Oil Pickup:The IAG Performance Subaru WRX / STI oil pickup was designed by Tigwerks to replace...
The IAG Performance Version 2 Alternator Relocation Kit is designed to help the vehicle builder create space at...
-30%
Invidia Q300 w/ Rolled Titanium Tips Axleback Exhaust for 2013+ IS250/IS350
If you are looking for a great way to squeeze a little extra performance from your vehicle, then...
-30%
Turbo XS Titanium Tip Catback Exhaust for 2002-2007 WRX/STI
Since we introduced our first exhaust systems for the old “bugeye” WRX way back in 2002, we have...
-28%
Turbo XS Titanium Rear Muffler Assembly for 2002-2007 WRX/STI
A 3" straight through design unleashes all the power your engine can make. Unique flange design allows the...
-22%
Turbo XS Hybrid Blow Off Valve for 2002-2007 WRX / 2004+ STI
Not too loud and not too quiet, the WS02-XS-HYB from TurboXS is the valve for you if you...
CSF manufactures high-quality aluminum racing radiators for those of you looking for a great solution over your leaking...
CSF manufactures high-quality aluminum racing radiators for those of you looking for a great solution over your leaking...
Improve the cooling efficiency of your vehicle with an all-aluminum CSF Racing Radiator. CSF radiators are designed, fabricated,...
CSF is one of the key players in the radiator industry. They design, test, and fabricate radiators that...
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