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 

Product wishlist
Cobb Tuning SS 3" Cat-Back Exhaust For Subaru 2015+ WRX/STI
Cobb Tuning SS 3" Cat-Back Exhaust For Subaru 2015+ WRX/STI
$1,450.00
304 stainless steel is used throughout the exhaust construction. All components are meticulously TIG welded for outstanding appearance...
Perrin Radiator Shroud For 2015+ WRX/STI (Black/Red)
Perrin Radiator Shroud For 2015+ WRX/STI (Black/Red)
$130.50
STOCK OR AFTERMARKET INTAKE COMPATIBILITY Included are two different pieces to be compatible with both the stock intake...
Perrin Radiator Shroud For 2008-2014 WRX/STI (Black/Red)
Perrin Radiator Shroud For 2008-2014 WRX/STI (Black/Red)
$69.30
The PERRIN Performance Radiator Shroud caps the top of the radiator for a sleek new look. LET YOUR...
GrimmSpeed Hood Struts For 2013+ BRZ/FR-S
GrimmSpeed Hood Struts For 2013+ BRZ/FR-S
Out of stock
The best hood struts, designed just for your BRZ/FRS/86.  Tired of that ugly OEM hood prop blocking your...
GrimmSpeed Radiator Shroud w/ Tool Tray For 2002-2007 WRX/STI
GrimmSpeed Radiator Shroud w/ Tool Tray For 2002-2007 WRX/STI
$55.00
3 problems. 1 clever solution. Innovative Integrated Tool Tray! Keeps Radiator Running Cooler(directs air through radiator) Built In...
IAG Performance V3 Street Series Air / Oil Separator 2006-2007 WRX / 2004-2007 STI
IAG Performance V3 Street Series Air / Oil Separator 2006-2007 WRX / 2004-2007 STI
$439.99
The IAG Performance Street Series billet aluminum Air / Oil separator (AOS) vents crankcase gasses back to the...
GrimmSpeed Air Oil Separator For Subaru 2008-2014 WRX / 2005-2009 Legacy GT
GrimmSpeed Air Oil Separator For Subaru 2008-2014 WRX / 2005-2009 Legacy GT
Out of stock
An Air/Oil Separator has one job, remove the oil from the engine ventilation system so the oil does...
Cobb Tuning Stage 1 Package For 2015-2018 STI
Cobb Tuning Stage 1 Package For 2015-2018 STI
$1,150.00
Stage 1+ Power Package STI 2015-2018: SUB-004 Accessport V3 SF Intake Composite Intake Body for Heat Rejection SF...
IAG Performance Competition Series Engine Mounts For 2002-2007 WRX / 2004+ STI / 2004-2008 Forester XT
IAG Performance Competition Series Engine Mounts For 2002-2007 WRX / 2004+ STI / 2004-2008 Forester XT
$249.99
The IAG Competition Series Engine Mounts are designed to be a streetable mount with weekend competition in mind....
-30%
Invidia Gemini R400 Single Layer Quad Black Tip Catback Exhaust 2022+ Subaru WRX
Invidia Gemini R400 Single Layer Quad Black Tip Catback Exhaust 2022+ Subaru WRX
$1,910.00$1,337.00
If you're in the business of adding artwork, sound, performance, and value to your vehicle, then you will...
-30%
Invidia Gemini R400 Single Layer Quad Titanium Tip Catback Exhaust 2022+ Subaru WRX
Invidia Gemini R400 Single Layer Quad Titanium Tip Catback Exhaust 2022+ Subaru WRX
$1,886.00$1,320.00
If you're in the business of adding artwork, sound, performance, and value to your vehicle, then you will...
-30%
Invidia Gemini R400 Single Layer Quad Stainless Steel Tip Catback Exhaust 2022+ Subaru WRX
Invidia Gemini R400 Single Layer Quad Stainless Steel Tip Catback Exhaust 2022+ Subaru WRX
$1,772.00$1,240.00
If you're in the business of adding artwork, sound, performance, and value to your vehicle, then you will...
Cobb Tuning SS 3" Cat-Back Exhaust For Subaru 2015+ WRX/STI
Cobb Tuning SS 3" Cat-Back Exhaust For Subaru 2015+ WRX/STI
$1,450.00
Perrin Radiator Shroud For 2015+ WRX/STI (Black/Red)
Perrin Radiator Shroud For 2015+ WRX/STI (Black/Red)
$130.50
Perrin Radiator Shroud For 2008-2014 WRX/STI (Black/Red)
Perrin Radiator Shroud For 2008-2014 WRX/STI (Black/Red)
$69.30
GrimmSpeed Hood Struts For 2013+ BRZ/FR-S
GrimmSpeed Hood Struts For 2013+ BRZ/FR-S
Out of stock
GrimmSpeed Radiator Shroud w/ Tool Tray For 2002-2007 WRX/STI
GrimmSpeed Radiator Shroud w/ Tool Tray For 2002-2007 WRX/STI
$55.00
IAG Performance V3 Street Series Air / Oil Separator 2006-2007 WRX / 2004-2007 STI
IAG Performance V3 Street Series Air / Oil Separator 2006-2007 WRX / 2004-2007 STI
$439.99
GrimmSpeed Air Oil Separator For Subaru 2008-2014 WRX / 2005-2009 Legacy GT
GrimmSpeed Air Oil Separator For Subaru 2008-2014 WRX / 2005-2009 Legacy GT
Out of stock
Cobb Tuning Stage 1 Package For 2015-2018 STI
Cobb Tuning Stage 1 Package For 2015-2018 STI
$1,150.00
IAG Performance Competition Series Engine Mounts For 2002-2007 WRX / 2004+ STI / 2004-2008 Forester XT
IAG Performance Competition Series Engine Mounts For 2002-2007 WRX / 2004+ STI / 2004-2008 Forester XT
$249.99
-30%
Invidia Gemini R400 Single Layer Quad Black Tip Catback Exhaust 2022+ Subaru WRX
Invidia Gemini R400 Single Layer Quad Black Tip Catback Exhaust 2022+ Subaru WRX
$1,910.00$1,337.00
-30%
Invidia Gemini R400 Single Layer Quad Titanium Tip Catback Exhaust 2022+ Subaru WRX
Invidia Gemini R400 Single Layer Quad Titanium Tip Catback Exhaust 2022+ Subaru WRX
$1,886.00$1,320.00
-30%
Invidia Gemini R400 Single Layer Quad Stainless Steel Tip Catback Exhaust 2022+ Subaru WRX
Invidia Gemini R400 Single Layer Quad Stainless Steel Tip Catback Exhaust 2022+ Subaru WRX
$1,772.00$1,240.00
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