2015-2021 Subaru STI Engine Parts & Upgrades
Shop 2015-2021 subaru sti engine parts and performance upgrades at JDMuscle. We carry the top brands with guaranteed fitment for your 2015-2021 Subaru STI.
2015-2021 Subaru STI Engine
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In StockDeatschwerks 1000cc Bosch EV14 Fuel Injectors
Fits: 02-14 WRX, 07-21 STI, 07-12 LGT
Only 9 leftRegular price $469.00Sale price $469.00 Regular priceUnit price per$469.00 -
In StockBrian Crower Intake Valves WRX 2002-2014 / STI 2004-2019
Only 4 leftRegular price From $147.81Sale price From $147.81 Regular priceUnit price per$0.00 -
Up to $1.80 off
In StockBlox Racing Magnetic Drain Plug M12 x 1.25 Black - Universal
Only 1 leftRegular price $16.20Sale price $16.20 Regular priceUnit price per$18.00 -
![Torque Solution [02-07 WRX / 04-21 STI] HKS Blow Off Valve Adapter w/Plug | TS-SU-HKSC](//jdmuscleusa.com/cdn/shop/products/torque-solution-hks-bov-adapter-flange-w-plug-subaru-wrx-2002-2007-sti-2004-2019-blow-off-valve-flanges-torque-solution-tqsts-su-hksc.jpg?v=1614519348&width=220)
Up to $2.99 off
In StockTorque Solution HKS Blow Off Valve Adapter w/Plug | TS-SU-HKSC
Fits: 02-07 WRX / 04-21 STI
Only 1 leftRegular price $47.00Sale price $47.00 Regular priceUnit price per$49.99 -
Up to $1.88 off
In StockTorque Solution VF Turbo Wastegate Bracket
Fits: 08-14 WRX, 04-21 STI
Regular price $47.00Sale price $47.00 Regular priceUnit price per$48.88 -
Up to $4.21 off
In StockTorque Solution Exhaust Mount Kit WRX/STI 2008-2019 / Legacy GT 2005-2012
Only 9 leftRegular price $58.00Sale price $58.00 Regular priceUnit price per$62.21 -
Torque Solution Billet Aluminum 1.25in Bypass Plug WRX/STI / EVO - Universal
Regular price $18.00Sale price $18.00 Regular priceUnit price per$18.00 -
Up to $1.99 off
In StockTorque Solution Spark Plug Gap Tool w/ Feeler Gauge 14mm - Universal
Only 9 leftRegular price $45.00Sale price $45.00 Regular priceUnit price per$46.99 -
Up to $0.99 off
In StockTorque Solution Spark Plug Gap Tool 14mm - Universal
Only 5 leftRegular price $37.00Sale price $37.00 Regular priceUnit price per$37.99 -
![Torque Solution [02-14 WRX, 07-21 STI, 07-12 LGT, 06-13 FXT] Braided Fuel Line Kit for -6 Aeromotive FPR | TS-SU-6FLK-AM](//jdmuscleusa.com/cdn/shop/products/torque-solution-braided-fuel-line-kit-for-6-aeromotive-fpr-subaru-wrx-02-14-sti-07-19-fuel-lines-and-fittings-torque-solution-tqsts-su-6flk-am.jpg?v=1614518853&width=220)
Up to $30.55 off
In StockTorque Solution Braided Fuel Line Kit for -6 Aeromotive FPR | TS-SU-6FLK-AM
Fits: 02-14 WRX, 07-21 STI, 07-12 LGT, 06-13 FXT
Regular price $225.00Sale price $225.00 Regular priceUnit price per$255.55 -
Up to $14.21 off
In StockTorque Solution Silicone Radiator Hose Kit Black 08-14 WRX / 08-21 STI |TS-SU-420BK
Only 18 leftRegular price $108.00Sale price $108.00 Regular priceUnit price per$122.21 -
In StockTurbo XS T Clamp Stainless Steel 74-80mm/2.91-3.14in - Universal
Regular price $15.00Sale price $15.00 Regular priceUnit price per$10.00 -
Up to $5.76 off
In StockGREDDY TO TXS TYPE H BOV Adapter - Universal
Only 2 leftRegular price $36.00Sale price $36.00 Regular priceUnit price per$41.76 -
Up to $511.42 off
In StockTurboXS 15-21 Subaru STI Front Mount Intercooler Wrinkle Black | STI15-FMIC-BLK
Only 1 leftRegular price $1,445.00Sale price $1,445.00 Regular priceUnit price per$1,956.42 -
Up to $68.12 offTurboXS Up Pipe Subaru Turbo Models | WS-UP
Fits: WRX/STI/LGT
Regular price $204.66Sale price $204.66 Regular priceUnit price per$272.78 -
GrimmSpeed MAF Block Off - WRX/STI / Forester XT 2002-21
Regular price From $62.00Sale price From $62.00 Regular priceUnit price per$62.00
![Torque Solution [02-07 WRX / 04-21 STI] HKS Blow Off Valve Adapter w/Plug | TS-SU-HKSC](http://jdmuscleusa.com/cdn/shop/products/torque-solution-hks-bov-adapter-flange-w-plug-subaru-wrx-2002-2007-sti-2004-2019-blow-off-valve-flanges-torque-solution-tqsts-su-hksc.jpg?v=1614519348&width=220)
![Torque Solution [02-14 WRX, 07-21 STI, 07-12 LGT, 06-13 FXT] Braided Fuel Line Kit for -6 Aeromotive FPR | TS-SU-6FLK-AM](http://jdmuscleusa.com/cdn/shop/products/torque-solution-braided-fuel-line-kit-for-6-aeromotive-fpr-subaru-wrx-02-14-sti-07-19-fuel-lines-and-fittings-torque-solution-tqsts-su-6flk-am.jpg?v=1614518853&width=220)
