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 

Hi-Power Series™ 304 SS Cat-Back Exhaust System with Single Rear Exit by HKS®. Exhaust Type: Cat-Back. Exhaust Tubing...
-70%
AVO High Flow Panel Filter Air Intake filter for Subaru BRZ Scion FR-S Toyota 86
AVOTurboworld's high-flow pop-in flat panel air filter for the factory OEM air box has been designed specifically from...
Simple ECU flashing with gauge package! The new in-cabin mountable Accessport V3 has a large, full color, higher...
Simple ECU flashing with gauge package! The new in-cabin mountable Accessport V3 has a large, full color, higher...
For 800-1000 horsepower range applications, HKS now offers the Racing Muffler system.  The Racing Muffler is the lightest...
GrimmSpeed Front Mount Intercooler Bumper Bar Black - Subaru WRX / STI 2015 - 2020
This is the GrimmSpeed Front Mount Intercooler Kit. This is the latest offering from GrimmSpeed and has been...
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...
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