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 

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Koyo Aluminum Racing Radiator Manual Transmission For 2008+ WRX/STI / 2005-2009 Legacy GT
All aluminum construction Heli-arc welded for stronger enforcement along aluminum connections Thicker core Precise tube and fin alignment...
If you just purchased the Koyo Radiator, you can maximize the performance with the Koyo 1.3 Bar High-Pressure...
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Invidia N2 Dual Stainless Steel Tip Catback Exhaust For 2013+ BRZ/FR-S/86
New 1-piece Design Angled Exit More Aggressive Sound & Looks Improved Fitment   Invidia N1 Exhaust: For a...
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Invidia N2 Dual Titanium Tip Catback Exhaust For 2013+ BRZ/FR-S/86
New 1-piece Design Angled Exit More Aggressive Sound & Looks Improved Fitment   Invidia N1 Exhaust: For a...
The Most COMPLETE EVO BCS Ever Built, Period. The GrimmSpeed™ Mitsubishi EVO Boost Control Solenoid is designed to work with...
Super SQV4 Blowoff Valve Kit by HKS®. HKS Super SQV (Sequential Blow Off Valve) uses a unique sequential...
The Perfect Upgrade For The Weight Conscious Enthusiast. GrimmSpeed has always been on the forefront of innovation when...
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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...
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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...
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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...
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