Optimize your Subaru STI 2004-2007 engine's performance with a comprehensive range of top-quality aftermarket parts from industry-leading brands. Elevate the power and efficiency of your vehicle with ETS, HKS, Perrin, Mishimoto, AMS, Grimmspeed, Cobb, Remark, PLM, Turbosmart, IAG Performance, and more. Enhance airflow and filtration through AIR INTAKE DUCTS and COLD AIR INTAKES, while maintaining engine cleanliness with AIR OIL SEPARATORS and CATCH CANS. Experience impeccable control and responsiveness with BLOW OFF VALVES and BOOST CONTROL SOLENOID COVERS, complemented by the reliability of ENGINE MOUNTS and meticulously crafted ENGINE MANAGEMENT HARNESSES. Simplify maintenance and improve overall performance with DIPSTICKS and explore comprehensive ENGINE PACKAGE DEALS for a holistic approach to upgrading your Subaru WRX's engine. Unleash the full potential of your vehicle through precision-engineered components designed to deliver both power and durability, all meticulously designed to give your Subaru STI the edge on the road or track.
Subaru STI 2004-2007 Engine Parts
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Brian Crower 6mm Exhaust Valve Guides WRX 2002-2014 /STI 2004-2019 Subaru Turbo Models
Regular price $81.00Sale price $81.00 Regular priceUnit price per$81.00 -
In StockBrian Crower Titanium Retainer Kit WRX 2002-2014 / STI 2004-2019 Subaru Turbo Models
Only 4 leftRegular price $204.00Sale price $204.00 Regular priceUnit price per$204.00 -
Up to $154 off
In StockBorla Hush Twin-Tip Cat Back Exhaust WRX/STI 2002-2007 | 140053
Only 2 leftRegular price $1,284.99Sale price $1,284.99 Regular priceUnit price per$1,438.99 -
BorgWarner EFR-7064 Turbo Charger 0.92A/R WG T4 Twin Scroll - Universal
Regular price $2,262.13Sale price $2,262.13 Regular priceUnit price per$0.00 -
Bosch Inline Electric Fuel Pump - Universal
Regular price $159.99Sale price $159.99 Regular priceUnit price per$0.00 -
Up to $111 offBorla XR-1 Single-Tip Cat Back Exhaust WRX/STI 2002-2007 | 140075
Regular price $928.99Sale price $928.99 Regular priceUnit price per$1,039.99 -
Up to $29.20 off
In StockBLOX Racing Oil Filter Block Adapter / Oil Pressure / Oil Temperature Universal
Only 5 leftRegular price $116.80Sale price $116.80 Regular priceUnit price per$146.00 -
Up to $12.20 off
In StockBLOX Racing Oil Filter Block Adapter / Oil Pressure / Oil Temperature Universal
Regular price From $44.00Sale price From $44.00 Regular priceUnit price per$55.00 -
Up to $22 off
In StockBLOX Black Racing Manual Boost Controller - Universal
Only 10 leftRegular price $88.00Sale price $88.00 Regular priceUnit price per$110.00 -
Up to $20 offBLOX Gold Racing Manual Boost Controller - Universal
Regular price $80.00Sale price $80.00 Regular priceUnit price per$100.00 -
Up to $21 offBLOX Polished Racing Manual Boost Controller - Universal
Regular price $84.00Sale price $84.00 Regular priceUnit price per$105.00 -
Up to $20 offBLOX Purple Racing Manual Boost Controller - Universal
Regular price $80.00Sale price $80.00 Regular priceUnit price per$100.00 -
Up to $21 offBLOX Red Racing Manual Boost Controller - Universal
Regular price $84.00Sale price $84.00 Regular priceUnit price per$105.00 -
Up to $20 offBLOX Blue Racing Manual Boost Controller - Universal
Regular price $80.00Sale price $80.00 Regular priceUnit price per$100.00 -
Up to $4 offBlox Racing T3 Turbo Discharge Flange, 1018 Mild Steel - Universal
Regular price $16.00Sale price $16.00 Regular priceUnit price per$20.00 -
Up to $4.60 offBlox Racing T25 Turbo Inlet Flange, 1018 Mild Steel - Universal
Regular price $18.40Sale price $18.40 Regular priceUnit price per$23.00
