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ETS 15-21 Subaru WRX / 15-18 STI Axle Back Exhaust Burnt Tips w/ Muffler | 200-30-EXH-004
Regular price $1,196.00Regular priceUnit price per$1,196.00Sale price $1,196.00 -
Killer B Motorsport 02-14 WRX / 04-21 STI 4-1 Holy Header Exhaust Manifold w/ V Band Up-Pipe | HH4-1
Regular price $3,158.00Regular priceUnit price per$3,158.00Sale price $3,158.00 -
HKS 06-14 WRX / 04-21 STI / 05-09 LGT Stainless Steel Unequal Length Exhaust Manifold | 1419-RF001
Regular price $1,984.00Regular priceUnit price per$2,289.00Sale price $1,984.00Sale -
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 $195.00Regular priceUnit price per$195.00Sale price $195.00 -
GSC Power-Division Single Beehive Valve Spring Set w/ Titanium Retainers Subaru Models | inc. 2002-2014 WRX / 2004+ STI | 5043
Regular price $689.00Regular priceUnit price per$689.00Sale price $689.00 -
Mishimoto 15-21 Subaru WRX/STI Stainless Steel Cat Back Exhaust | MMEXH-WRX-15
Regular price $1,996.00Regular priceUnit price per$1,996.00Sale price $1,996.00 -
Tomei 02-14 WRX / 04-21 STI Forged Connecting Rods | TA203A-SB01A
Regular price $1,239.00Regular priceUnit price per$1,239.00Sale price $1,239.00 -
HKS 02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT Fine Tune Timing Belt | 24999-AF001
Regular price $448.00Regular priceUnit price per$448.00Sale price $448.00 -
Killer B Motorsport 4-1 Holy Header w/EGT Bung 2-Bolt Coated Subaru EJ Models | inc. 2002-2014 WRX / 2004+ STI | HH-2BOLT-SWAIN-EGT
Regular price $3,285.00Regular priceUnit price per$3,285.00Sale price $3,285.00 -
Verus Engineering 02-21 Subaru WRX/STI / 13-21 BRZ/FRS/86 RLA Oil Cap Anodized Red | A0270A-RED
Regular price $92.00Regular priceUnit price per$92.00Sale price $92.00 -
Beatrush Blue Oil Cap Subaru WRX 2002-2014 / STI 2004+ | S1401ASB
Regular price $202.00Regular priceUnit price per$202.00Sale price $202.00 -
Beatrush Oil Cap Silver Subaru WRX 2002-2014 / STI 2004+ | S1401ASS
Regular price $202.00Regular priceUnit price per$202.00Sale price $202.00 -
Tomei ARMS BX8265 Turbo Subaru Models | inc. 2002-2007 WRX / 2004+ STI | TB403A-SB01C
Regular price $3,063.00Regular priceUnit price per$3,063.00Sale price $3,063.00 -
Verus Engineering 02-21 Subaru WRX/STI / 13-21 BRZ/FRS/86 RLA Oil Cap Anodized Red | A0270A-BLK
Regular price $92.00Regular priceUnit price per$92.00Sale price $92.00 -
HKS Racing 15-21 STI Suction Brushed Intake Kit | 70020-AF108
Regular price $659.00Regular priceUnit price per$775.00Sale price $659.00Sale -
Torque Solution 08-21 STI / 08-14 WRX PTFE Fuel Line Kit for for -6 Aeromotive FPR | TS-SU-6FLK-AM-P-08
Regular price $644.00Regular priceUnit price per$765.00Sale price $644.00Sale
Optimize your Subaru STI 2015-2021 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.