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K&N Performance Typhoon Short Ram Intake Subaru STI 2008-2014 | 69-8005TWR
Regular price $399.99Regular priceUnit price per$399.99Sale price $399.99 -
ETS Top Mount Intercooler Silver Core w/ Stencil Subaru STI 2008-2015 | 200-20-IC-043
Regular price $556.00Regular priceUnit price per$695.00Sale price $556.00Sale -
Extreme Turbo Systems Subaru STI 08-14 Catback Exhaust Blue Tips Extreme | 200-20-EXH-005
Regular price $1,036.00Regular priceUnit price per$1,295.00Sale price $1,036.00Sale -
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 -
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 -
Tomei 02-14 WRX / 04-21 STI Forged Connecting Rods | TA203A-SB01A
Regular price $648.00Regular priceUnit price per$720.00Sale price $648.00Sale -
HKS 02-14 WRX / 04-21 STI / 05-12 LGT / 04-13 FXT Fine Tune Timing Belt | 24999-AF001
Regular price $260.00Regular priceUnit price per$260.00Sale price $260.00 -
Injen Cold Air Intake Black Subaru Impreza WRX 2008-2013 / Impreza WRX STI 2008-2013 | SP1204BLK
Regular price $382.95Regular priceUnit price per$382.95Sale price $382.95 -
Verus Engineering 02-21 Subaru WRX/STI / 13-21 BRZ/FRS/86 RLA Oil Cap Anodized Red | A0270A-RED
Regular price $48.49Regular priceUnit price per$48.49Sale price $48.49 -
Process West 02-07 WRX / 08-21 STI Billet Tumbler Deletes Black | PWTD04B
Regular price $498.66Regular priceUnit price per$760.00Sale price $498.66Sale -
Beatrush Blue Oil Cap Subaru WRX 2002-2014 / STI 2004+ | S1401ASB
Regular price $100.00Regular priceUnit price per$100.00Sale price $100.00 -
Beatrush Oil Cap Silver Subaru WRX 2002-2014 / STI 2004+ | S1401ASS
Regular price $100.00Regular priceUnit price per$100.00Sale price $100.00 -
Tomei ARMS BX8265 Turbo Subaru Models (inc. 2002-2007 WRX / 2004+ STI) | TB403A-SB01C
Regular price $1,602.00Regular priceUnit price per$1,780.00Sale price $1,602.00Sale -
Verus Engineering 02-21 Subaru WRX/STI / 13-21 BRZ/FRS/86 RLA Oil Cap Anodized Red | A0270A-BLK
Regular price $48.49Regular priceUnit price per$48.49Sale price $48.49
Optimize your Subaru STI 2008-2014 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.