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Grimmspeed 3in Downpipe Adapter - AFTERMARKET DP>OEM SUBARU CATBACK | 077044
Regular price $57.00Regular priceUnit price per$57.00Sale price $57.00 -
GrimmSpeed 02-07 WRX / 04-21 STI Blow Off Valve Flange Gasket | 020023
Regular price $13.00Regular priceUnit price per$13.00Sale price $13.00 -
Perrin 02-07 Subaru WRX / 04-21 STI / 04-08 FXT Turbo Inlet Hose Black | PSP-INT-401
Regular price $191.88Regular priceUnit price per$333.00Sale price $191.88Sale -
Tomei 08-14 WRX / 04-21 STI Equal Length Exhaust Manifold | TB6010-SB02B
Regular price $801.00Regular priceUnit price per$890.00Sale price $801.00Sale -
PLM 02-14 WRX/ 04-21 STI Power Driven EWG Up Pipe with Dump Tube 38mm | Also fits Baja Turbo 2004-2006 / Forester XT 2004-2013 / Legacy GT 2005-2009 / Turbo 1991-1994 / Outback XT 2005-2009 | PLM-SUB-UP-PIPE-EWG-38MM
Regular price $279.00Regular priceUnit price per$349.00Sale price $279.00Sale -
GrimmSpeed Downpipe to Catback 3in Gasket - Universal | 022001
Regular price $22.00Regular priceUnit price per$22.00Sale price $22.00 -
Perrin 02-07 WRX / 04-21 STI Recirculating Blow off Valve Red | PSP-TAC-600RD
Regular price $152.88Regular priceUnit price per$265.00Sale price $152.88Sale -
Tial 44mm MVR External Wastegate - Universal
Regular price From $425.00Regular priceUnit price per$439.00Sale price From $425.00Sale -
GrimmSpeed WRX 02-14 / 04-21 STI / 05-12 LGT / 04-13 FXT Version 2 Turbo Heat Shield
Regular price From $79.00Regular priceUnit price per$79.00Sale price From $79.00 -
Grimmspeed 02-14 WRX / 04-21 STI Top Mount Intercooler Silicone Coupler Kit Black
Regular price $89.00Regular priceUnit price per$89.00Sale price $89.00 -
AEM 340LPH 65mm Fuel Pump Kit w/o Mounting Hooks Ethanol Compatible - Universal (50-1220)
Regular price $133.95Regular priceUnit price per$149.00Sale price $133.95Sale -
Cobb 06-14 WRX / 04-21 STI / 05-09 LGT / 04-08 FXT Spark Plug Set One Step Colder | D44700
Regular price $65.00Regular priceUnit price per$65.00Sale price $65.00 -
Perrin Battery Tie Down Neon Yellow Most Subaru Models | PSP-ENG-700NY
Regular price $48.88Regular priceUnit price per$88.00Sale price $48.88Sale -
Grimmspeed 2X Thick Exhaust Gasket - Subaru/EVO Universal | 076001
Regular price $27.00Regular priceUnit price per$27.00Sale price $27.00 -
ARP 02-14 WRX/ 04-21 STI/ 05-12 Legacy GT/ 04-13 Forester XT Head Studs 11mm Subaru Turbo Models | 260-4701
Regular price $261.88Regular priceUnit price per$385.87Sale price $261.88Sale -
HKS 06-14 WRX / 04-21 STI Stainless Steel Equal Length Exhaust Manifold | 14019-AF002
Regular price $700.00Regular priceUnit price per$700.00Sale price $700.00
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.