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.
2015-2021 Subaru WRX STI Engine Parts
-
Up to $336.01 offMishimoto Front Mount Intercooler Black 15-21 STI |MMINT-STI-15BK
Regular price $1,350.95Sale price $1,350.95 Regular priceUnit price per$1,686.96 -
Up to $336.01 offMishimoto 15-21 STI Front Mount Intercooler Silver | MMINT-STI-15SL
Regular price $1,350.95Sale price $1,350.95 Regular priceUnit price per$1,686.96 -
Up to $329.89 offMishimoto 15-21 STI Front Mount Intercooler Gold | MMINT-STI-15G
Regular price $1,352.95Sale price $1,352.95 Regular priceUnit price per$1,682.84 -
Up to $70.05 offMishimoto Top Mount Intercooler Silver w/ Red Hoses 2008-21 STI | MMTMIC-STI-08SLRD
Regular price $695.95Sale price $695.95 Regular priceUnit price per$766.00 -
Up to $83.05 offMishimoto 08-21 STI Top Mount Intercooler Black w/ Blue Hoses | MMTMIC-STI-08BKBL
Regular price $830.95Sale price $830.95 Regular priceUnit price per$914.00 -
Up to $83.05 offMishimoto 08-21 STI Top Mount Intercooler Silver w/ Blue Hoses | MMTMIC-STI-08SLBL
Regular price $830.95Sale price $830.95 Regular priceUnit price per$914.00 -
Up to $40.05 off
In StockMishimoto Large Bar and Plate Dual Pass Oil Cooler - Universal
Only 3 leftRegular price $399.95Sale price $399.95 Regular priceUnit price per$440.00 -
Up to $30.05 off
In StockMishimoto Small Bar and Plate Dual Pass Oil Cooler - Universal
Only 6 leftRegular price $296.95Sale price $296.95 Regular priceUnit price per$327.00 -
Up to $34.05 off
In StockMishimoto Medium Bar and Plate Dual Pass Oil Cooler - Universal
Only 1 leftRegular price $340.95Sale price $340.95 Regular priceUnit price per$375.00 -
Up to $48.05 off
In StockMishimoto 19 Row X-Line Oil Cooler Kit - Universal
Only 5 leftRegular price $482.95Sale price $482.95 Regular priceUnit price per$531.00 -
Up to $24.05 off
In StockMishimoto Gold Z Line Intercooler - Universal
Only 2 leftRegular price $241.95Sale price $241.95 Regular priceUnit price per$266.00 -
In StockCSF Universal Dual-Pass Oil Cooler - M22 x 1.5 - 13in L x 4.75in H x 2.16in W
Only 5 leftRegular price $315.00Sale price $315.00 Regular priceUnit price per$315.00 -
CSF Universal Signal-Pass Oil Cooler | RSR Style - M22 x 1.5 - 24in L x 5.75in H x 2.16in W
Regular price $619.00Sale price $619.00 Regular priceUnit price per$619.00 -
Process West 08-21 STI Boost Soleniod Cover Red | PWED01R
Regular price $50.13Sale price $50.13 Regular priceUnit price per$50.13 -
NRG M14 X 1.5 Gun Metal Magnetic Oil Drain Plug - Universal | NOP-100GM
Regular price $18.00Sale price $18.00 Regular priceUnit price per$18.00 -
NRG M14 X 1.5 Purple Magnetic Oil Drain Plug - Universal | NOP-100PP
Regular price $18.00Sale price $18.00 Regular priceUnit price per$18.00
