Collection: Subaru STI 2015-2021 Engine Parts
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Invidia High Flow Catted Downpipe Subaru WRX 2008-2014 / STI 2008-2021 | HS08SW1DPC
Regular price $695.10 USDRegular priceUnit price / per$993.00 USDSale price $695.10 USDSale -
PERRIN Performance 15-21 WRX/STI Fender Shrouds | PSP-ENG-550
Regular price From $97.75 USDRegular priceUnit price / per$110.00 USDSale price From $97.75 USDSale -
OLM TOP MOUNT INTERCOOLER GRILLE for 2015-2021 Subaru STI | A.70195-3
Regular price $139.00 USDRegular priceUnit price / per$139.00 USDSale price $139.00 USD -
GrimmSpeed Turbo to Downpipe Gasket - Subaru Turbo | 028001
Regular price $19.00 USDRegular priceUnit price / per$19.00 USDSale price $19.00 USD -
Tomei 08-21 WRX Sedan / 11-21 STI Sedan Expreme Ti Titanium Catback Exhaust | TB6090-SB02C
Regular price $1,161.00 USDRegular priceUnit price / per$1,161.00 USDSale price $1,161.00 USD -
Perrin 15-21 WRX/STI Radiator Shroud | PSP-ENG-512
Regular price From $134.30 USDRegular priceUnit price / per$150.00 USDSale price From $134.30 USDSale -
JDMuscle 2015-21 WRX/STI Tanso Carbon Fiber Exhaust Trim Covers
Regular price $184.00 USDRegular priceUnit price / per$184.00 USDSale price $184.00 USD -
RES X JDMuscle 2015-21 WRX/STI Valvetronic Catback Exhaust MT&CVT
Regular price From $2,370.00 USDRegular priceUnit price / per$2,370.00 USDSale price From $2,370.00 USD -
Koyo Radiator Subaru WRX / STI 2008-2021 / Subaru Legacy GT 2005-2009 (Manual Transmission) | VH091662
Regular price $355.66 USDRegular priceUnit price / per$506.40 USDSale price $355.66 USDSale -
GrimmSpeed 02-14 WRX / 04-21 STI / 05-09 LGT / 04-13 FXT Uppipe to Turbo Gasket | 024001
Regular price $16.00 USDRegular priceUnit price / per$16.00 USDSale price $16.00 USD -
Invidia 2015-21 WRX/STI Gemini R400 Titanium Quad Tip Exhaust | HS15STIGM4ST
Regular price $1,320.20 USDRegular priceUnit price / per$1,886.00 USDSale price $1,320.20 USDSale -
Invidia 15-21 WRX / STI Gemini R400 Stainless Steel Quad Tip Exhaust | HS15STIGM4SS
Regular price $1,240.40 USDRegular priceUnit price / per$1,772.00 USDSale price $1,240.40 USDSale -
JDMuscle Tanso Carbon Fiber Exhaust Trim Covers / Exhaust Hole Delete v2- 2015+WRX/STI
Regular price From $249.00 USDRegular priceUnit price / per$249.00 USDSale price From $249.00 USD -
Perrin 02-14 WRX / 04-21 STI Belt Cover Black - Black/Red/Neon Yellow/Hyper Teal | PSP-ENG-150
Regular price From $78.20 USDRegular priceUnit price / per$92.00 USDSale price From $78.20 USDSale -
PLM Power Driven Subaru EWG Up Pipe with Dump Tube 38mm | PLM-SUB-UP-PIPE-EWG-38MM
Regular price $279.00 USDRegular priceUnit price / per$349.00 USDSale price $279.00 USDSale -
TiAL MVS 38mm V-Band External Wastegate w/ All Springs - Universal
Regular price From $339.00 USDRegular priceUnit price / per$339.00 USDSale price From $339.00 USD
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.