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
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NGK Laser Iridium Spark Plugs 1422 ( 4B11 Evo X )
NGK Laser Iridium Spark Plugs 1422 ( 4B11 Evo X )
$118.56$84.79
NGK Laser Iridium Spark Plugs ILKR8E6 Sold in packs of 4
Grimmspeed Radiator Hose Kit For 2002-2007 WRX/STI
Grimmspeed Radiator Hose Kit For 2002-2007 WRX/STI
$119.78
Your Subaru’s cooling system is only as good as its weakest link, commonly that’s the old, dry-rotted OEM...
Grimmspeed Charge Pipe Kit for 2015+ WRX
Grimmspeed Charge Pipe Kit for 2015+ WRX
$310.00
The GrimmSpeed Charge Pipe kit replaces the restrictive plastic stock unit on the FA20 powered WRX with larger...
NGK Copper Spark Plugs 3672 - Subaru EJ25 Turbo Models ( 2004+ STI / 2006-2014 WRX)
NGK Copper Spark Plugs 3672 - Subaru EJ25 Turbo Models ( 2004+ STI / 2006-2014 WRX)
$59.29
NGK Copper Heat Range 6 Spark Plugs LFR6A-11 High Performance Spark Plug. The Copper Plug will allow you...
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Invidia Gemini R400 Single Layer Quad Black Tip Catback Exhaust 2015+ WRX/STI
Invidia Gemini R400 Single Layer Quad Black Tip Catback Exhaust 2015+ WRX/STI
$2,674.00$1,871.80
If you're in the business of adding artwork, sound, performance, and value to your vehicle, then you will...
Grimmspeed Black Y-Pipe Kit for 2002-2007 WRX / 2004+ STI / 2004-2008 FXT
Grimmspeed Black Y-Pipe Kit for 2002-2007 WRX / 2004+ STI / 2004-2008 FXT
$178.00
Special Fitment Note: Supported fitments include only those vehicles running OEM STI and GrimmSpeed Top Mount Intercoolers. The...
GrimmSpeed Boost Control Solenoid For 2008-2014 WRX / 2005-2009 Legacy GT
GrimmSpeed Boost Control Solenoid For 2008-2014 WRX / 2005-2009 Legacy GT
$138.02
The Original Direct-Fit BCS for turbo Subarus. GrimmSpeed is proud to provide the most complete and easy to use 3-Port Electronic Boost...
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Turbosmart Kompact Dual Port Blow Off Valve - Subaru WRX 2002-2007 / STI 2004+
Turbosmart Kompact Dual Port Blow Off Valve - Subaru WRX 2002-2007 / STI 2004+
$274.39$246.95
If you're making enough power to surpass the limits of your factory blow off valve, or if your...
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Turbo XS Axleback Exhaust For 2004-2008 Forester XT
Turbo XS Axleback Exhaust For 2004-2008 Forester XT
$559.91$402.73
All 304 Stainless Steel construction with 3.5 inch double walled rolled tip and now with 3 inch piping....
HKS Hi-Power Cat-Back Exhaust For 2002-2007 WRX/STI
HKS Hi-Power Cat-Back Exhaust For 2002-2007 WRX/STI
$693.00
HKS knows how to develop exhaust systems to better suit turbocharged platforms. The increased piping diameter, straighter piping...
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NGK Iridium Spark Plugs One Step Colder 2667 - Subaru WRX 2002-2005
NGK Iridium Spark Plugs One Step Colder 2667 - Subaru WRX 2002-2005
$73.24$67.07
NGK Laser Iridium Spark Plugs BKR7EIX Sold In 4 packs
IAG PTFE Fuel System Kit w/ Aeromotive FPR, IAG Fuel Rails for 08-14 WRX, 08-21 STI
IAG PTFE Fuel System Kit w/ Aeromotive FPR, IAG Fuel Rails for 08-14 WRX, 08-21 STI
$999.99
Fits *2008-14 Subaru WRX, 2008-2021 Subaru STIPackage Includes:(x1) Fuel Line Kit(x1) IAG Fuel Rails(x1) Aeromotive Adjustable Fuel Pressure...
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NGK Laser Iridium Spark Plugs 1422 ( 4B11 Evo X )
NGK Laser Iridium Spark Plugs 1422 ( 4B11 Evo X )
$118.56$84.79
Grimmspeed Radiator Hose Kit For 2002-2007 WRX/STI
Grimmspeed Radiator Hose Kit For 2002-2007 WRX/STI
$119.78
Grimmspeed Charge Pipe Kit for 2015+ WRX
Grimmspeed Charge Pipe Kit for 2015+ WRX
$310.00
NGK Copper Spark Plugs 3672 - Subaru EJ25 Turbo Models ( 2004+ STI / 2006-2014 WRX)
NGK Copper Spark Plugs 3672 - Subaru EJ25 Turbo Models ( 2004+ STI / 2006-2014 WRX)
$59.29
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Invidia Gemini R400 Single Layer Quad Black Tip Catback Exhaust 2015+ WRX/STI
Invidia Gemini R400 Single Layer Quad Black Tip Catback Exhaust 2015+ WRX/STI
$2,674.00$1,871.80
Grimmspeed Black Y-Pipe Kit for 2002-2007 WRX / 2004+ STI / 2004-2008 FXT
Grimmspeed Black Y-Pipe Kit for 2002-2007 WRX / 2004+ STI / 2004-2008 FXT
$178.00
GrimmSpeed Boost Control Solenoid For 2008-2014 WRX / 2005-2009 Legacy GT
GrimmSpeed Boost Control Solenoid For 2008-2014 WRX / 2005-2009 Legacy GT
$138.02
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Turbosmart Kompact Dual Port Blow Off Valve - Subaru WRX 2002-2007 / STI 2004+
Turbosmart Kompact Dual Port Blow Off Valve - Subaru WRX 2002-2007 / STI 2004+
$274.39$246.95
-28%
Turbo XS Axleback Exhaust For 2004-2008 Forester XT
Turbo XS Axleback Exhaust For 2004-2008 Forester XT
$559.91$402.73
HKS Hi-Power Cat-Back Exhaust For 2002-2007 WRX/STI
HKS Hi-Power Cat-Back Exhaust For 2002-2007 WRX/STI
$693.00
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NGK Iridium Spark Plugs One Step Colder 2667 - Subaru WRX 2002-2005
NGK Iridium Spark Plugs One Step Colder 2667 - Subaru WRX 2002-2005
$73.24$67.07
IAG PTFE Fuel System Kit w/ Aeromotive FPR, IAG Fuel Rails for 08-14 WRX, 08-21 STI
IAG PTFE Fuel System Kit w/ Aeromotive FPR, IAG Fuel Rails for 08-14 WRX, 08-21 STI
$999.99
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