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BLOX Racing 02-07 WRX/04-19 STI - Blue Intercooler Coupler Hose Kit | BXFL-50215-BL
Regular price $20.88Regular priceUnit price per$25.00Sale price $20.88Sale -
BLOX Racing 02-07 WRX/04-19 STI - Red Intercooler Coupler Hose Kit | BXFL-50215-RD
Regular price $20.88Regular priceUnit price per$25.00Sale price $20.88Sale -
Cobb 04-07 Subaru STI Stage 2+ Power Package w/V3 | 613X12P
Regular price $2,895.00Regular priceUnit price per$3,159.95Sale price $2,895.00Sale -
Cobb 3in 2-Bolt Exhaust Gasket | UNI-001-243
Regular price $15.00Regular priceUnit price per$15.00Sale price $15.00 -
Perrin Cold Air Intake System Subaru WRX 2002-2007 / STI 2004-2007 | PSP-INT-301RD
Regular price $269.88Regular priceUnit price per$458.00Sale price $269.88Sale -
Perrin Radiator Shroud -Black Subaru STI 2004-2007 / WRX 2002-2007 | PSP-ENG-501BK
Regular price $55.80Regular priceUnit price per$62.00Sale price $55.80Sale -
GrimmSpeed Lightweight Crank Pulley Red Subaru Models (inc. 2002-2014 WRX / 2004-21 STI) | GRM095015R
Regular price $128.00Regular priceUnit price per$128.00Sale price $128.00 -
GSC Power-Division 02-14 WRX / 04-21 STI Super Alloy Exhaust Valves 32mm | 15-8
Regular price $209.88Regular priceUnit price per$249.31Sale price $209.88Sale -
Torque Solution Small Battery Tie Down (Black): Subaru WRX / STi 2002-2007 | TS-SU-613BK
Regular price $42.88Regular priceUnit price per$55.54Sale price $42.88Sale -
Torque Solution Small Battery Tie Down (Red): Subaru WRX / STi 2002-2007 | TS-SU-613R
Regular price $39.88Regular priceUnit price per$55.54Sale price $39.88Sale -
Cometic Complete Gasket Kit Subaru STI 2004-2006 | PRO2024C
Regular price $314.01Regular priceUnit price per$314.01Sale price $314.01 -
Killer B Motorsport 02-14 WRX / 04-21 STI 4-1 Holy Header Exhaust Manifold w/ V Band Up-Pipe | HH4-1
Regular price $1,835.00Regular priceUnit price per$1,835.00Sale price $1,835.00 -
ETS Top Mount Intercooler Upgrade - Silver Core - Stencil Subaru STI 04-07 | 200-10-IC-043
Regular price $556.00Regular priceUnit price per$695.00Sale price $556.00Sale -
HKS 06-14 WRX / 04-21 STI / 05-09 LGT Stainless Steel Unequal Length Exhaust Manifold | 1419-RF001
Regular price $1,130.50Regular priceUnit price per$1,330.00Sale price $1,130.50Sale -
Perrin Performance Afta MAF Hose Red Subaru WRX 2002-2014 / Legacy GT 2005-2009 / Outback XT 2005-2009 / STI 2004-21 | PSP-INT-355RD
Regular price $66.88Regular priceUnit price per$113.00Sale price $66.88Sale -
GSC Power-Division Single Beehive Valve Spring Set w/ Titanium Retainers Subaru Models (inc. 2002-2014 WRX / 2004+ STI) | 5043
Regular price $399.92Regular priceUnit price per$399.92Sale price $399.92
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.