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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In StockNRG Fender Washer Kit FW-100 Purple - Universal | FW-100PP
Only 3 leftRegular price $28.60Sale price $28.60 Regular priceUnit price per$28.60 -
NRG M14 X 1.5 Red Magnetic Oil Drain Plug - Universal | NOP-100RD
Regular price $18.00Sale price $18.00 Regular priceUnit price per$18.00 -
JE Pistons 100.0mm Ring Sets - Universal | JC4404-3938
Regular price $72.25Sale price $72.25 Regular priceUnit price per$0.00 -
Injen Catted Bellmouth Downpipe WRX/STI 2002-2007 | SES1202DP
Regular price $642.95Sale price $642.95 Regular priceUnit price per$642.95 -
In StockGates 170 Degree Thermostat WRX 2002-2014 / STI 2004-2019 | 34012
Only 3 leftRegular price $28.00Sale price $28.00 Regular priceUnit price per$28.00 -
Up to $8.20 off
In StockGates Micro-V Belt WRX 2002-2014 / STI 2004-2019 / Forester XT 2004-2009 | K050345
Only 14 leftRegular price $44.00Sale price $44.00 Regular priceUnit price per$52.20 -
Garrett GTX4202R Super Core CHRA Turbocharger - Universal
Regular price $3,248.65Sale price $3,248.65 Regular priceUnit price per$3,248.65 -
In StockARP Ultra Torque Assembly Lube 10oz - Universal | 100-9910
Only 4 leftRegular price $27.00Sale price $27.00 Regular priceUnit price per$27.00 -
aFe Filter Cleaning Kit Power Restore Kit 32 oz. Gold - Universal
Regular price $35.99Sale price $35.99 Regular priceUnit price per$35.99 -
In StockAeromotive 340 Series Stealth In-Tank E85 Fuel Pump - Center Inlet - Universal
Only 19 leftRegular price $162.50Sale price $162.50 Regular priceUnit price per$162.50 -
In StockAeromotive A1000 Fuel Pump - Universal
Only 6 leftRegular price $549.02Sale price $549.02 Regular priceUnit price per$549.02 -
In StockACL Orbit High Performance Oil Pump WRX/STI EJ20/EJ22/FJ25 | inc. 2002-2014 WRX/STI | OPSB1478HP
Only 13 leftRegular price $178.00Sale price $178.00 Regular priceUnit price per$178.00 -
In StockDeatschwerks 50 lb | 550 cc 4 Set Compact Fuel Injectors - Universal
Only 4 leftRegular price $269.00Sale price $269.00 Regular priceUnit price per$269.00 -
Deatschwerks 50 lb | 550 cc 4 Set Standard Fuel Injectors - Universal
Regular price $369.00Sale price $369.00 Regular priceUnit price per$369.00 -
Deatschwerks 60 lb | 650 cc 4 Set Standard Fuel Injectors - Universal
Regular price $389.00Sale price $389.00 Regular priceUnit price per$389.00 -
In StockDeatschwerks 60lb | 650cc 4 Set Long Fuel Injectors - Universal
Only 5 leftRegular price $299.00Sale price $299.00 Regular priceUnit price per$299.00
