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 

IN THE BOX -(1) PERRIN Air Oil Separator -(1) Car Specific Bracket -All necessary hardware -Instructions -Warranty -(1)...
IN THE BOX -(1) PERRIN Air Oil Separator -(1) Car Specific Bracket -All necessary hardware -Instructions -Warranty -(1)...
The PERRIN Turbo Inlet Hose for the 2015-2018 WRX will increase airflow to the engine which increases horsepower...
1/2"+ Thick Flanges, 14 Gauge Tubing, TRIPLE Layer Flex Joint. We are DURABILITY. Up until now all of you...
1/2"+ Thick Flanges, 14 Gauge Tubing, TRIPLE Layer Flex Joint. We are DURABILITY. Subaru supplies its turbo owners with a...
The PERRIN turbo heat shield is CNC formed from 304 stainless steel. The backside of the shield is...
Meticulous Engineering Meets Unparalleled Craftsmanship. You probably already know that you want an intercooler with maximum cooling and...
Meticulous Engineering Meets Unparalleled Craftsmanship. You probably already know that you want an intercooler with maximum cooling and...
-6%
GrimmSpeed Top Mount Intercooler For 2002-2007 WRX / 2004+ STI / 2004-2007 FXT
The bar has been raised. So, you probably already know that you want an intercooler with maximum cooling...
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...
** INSTALLATION NOTE - Take care to install the air filter onto the intake tube properly. Push the...
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