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 Perfect Upgrade For The Weight Conscious Enthusiast. GrimmSpeed has always been on the forefront of innovation when...
-30%
Invidia N1 Titanium Tip Catback Exhaust For 2015+ Subaru WRX & STi
Invidia N1 Exhaust: For a good balance of price and performance, Invidia offers the motorsport enthusiasts a strong...
-16%
Enkei NT03+M 18x9.5 (+40) 5x114.3  Black
NT03+M is designed with a perimeter brace ring that enhances the wheel strength so it’s able to resist...
-30%
Turbo XS Front Mount Intercooler Kit for 2015+ STI w/ Red Piping
STI15-FMIC Key Features and Specifications:Bar and Plate Aluminum Intercooler Core Powder Coated Bengal SilverIntercooler Core Dimension: 28 x...
Mishimoto 2008-2014 Subaru WRX / 2008+ STI / 2005-2009 Legacy Aluminum Radiator. For racing applications, the X-Line is...
Mishimoto 2015+ Subaru WRX Manual Aluminum Radiator. 
Mishimoto 01-07 EVO VIII / EVO IX Performance Aluminum Radiator. 
Keep Heat Soak to a Minimum with our Heat Shield! Enhanced Turbo/Downpipe Coverage(Keeps radiant heat out of engine...
Keep Heat Soak to a Minimum with our Heat Shield! Enhanced Turbo/Downpipe Coverage(Keeps radiant heat out of engine...
Meticulous Engineering Meets Unparalleled Craftsmanship. You probably already know that you want an intercooler with maximum cooling and...
Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM...
Real 10whp gains in 30 min with no tuning. Design requirements for this intake were simple: The intake...
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