2015-2021 Subaru STI Drivetrain Parts & Upgrades
Shop 2015-2021 subaru sti drivetrain parts and performance upgrades at JDMuscle. We carry the top brands with guaranteed fitment for your 2015-2021 Subaru STI.
2015-2021 Subaru STI Drivetrain
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![OVERTAKE [08-26 WRX, 08-21 STI] Rear Differential Upper Bushing Inserts - JDMuscleTransmission and Differential BushingsA10851](//jdmuscleusa.com/cdn/shop/files/overtake-08-26-wrx-08-21-sti-rear-differential-upper-bushing-inserts-1764031.jpg?v=1786472179&width=220)
![OVERTAKE [08-26 WRX, 08-21 STI] Rear Differential Upper Bushing Inserts - JDMuscleTransmission and Differential BushingsA10851](//jdmuscleusa.com/cdn/shop/files/overtake-08-26-wrx-08-21-sti-rear-differential-upper-bushing-inserts-5290025.jpg?v=1786472179&width=220)
In StockOVERTAKE Rear Differential Upper Bushing Inserts
Fits: 08-26 WRX, 08-21 STI
Regular price $39.00Sale price $39.00 Regular priceUnit price per$39.00 -
![GrimmSpeed [04-21 STI] Shifter Bushing Kit 6-Speed - JDMuscleShifter BushingsGRM.1153.1.0](//jdmuscleusa.com/cdn/shop/files/grimmspeed-04-21-sti-shifter-bushing-kit-6-speed-3563094.webp?v=1783694536&width=220)
![GrimmSpeed [04-21 STI] Shifter Bushing Kit 6-Speed - JDMuscleShifter BushingsGRM.1153.1.0](//jdmuscleusa.com/cdn/shop/files/grimmspeed-04-21-sti-shifter-bushing-kit-6-speed-3671114.webp?v=1783694536&width=220)
In StockGrimmSpeed Shifter Bushing Kit 6-Speed
Fits: 04-21 STI
Only 1 leftRegular price $49.00Sale price $49.00 Regular priceUnit price per -
In StockFactionFab Subaru 6 Speed Shifter Bushing
Only 15 leftRegular price $30.00Sale price $30.00 Regular priceUnit price per$30.00 -
FactionFab Pitch Stop Mount
Fits: 02-26 WRX/STI
Regular price $120.00Sale price $120.00 Regular priceUnit price per$120.00 -
FactionFab Shifter Bushing Combo Subaru 6MT
Fits: 04-21 STI
Regular price $49.00Sale price $49.00 Regular priceUnit price per$49.00 -
In StockFactionFab V2 FR-Spec Coilovers
Fits: 05-07 STI
Only 6 leftRegular price $1,450.00Sale price $1,450.00 Regular priceUnit price per$1,350.00 -
FactionFab Solid End Link Set
Fits: 02-14 WRX/STI Front, 04-07 STI Rear
Regular price $125.00Sale price $125.00 Regular priceUnit price per$125.00 -
![OVERTAKE [02 - 26 WRX, 04 - 21 STI, 13 - 26 BRZ / 86] Driveshaft Carrier Bushings - JDMusclePropeller Shaft BushingsovtovtA10572](//jdmuscleusa.com/cdn/shop/files/overtake-02-26-wrx-04-21-sti-13-26-brz-86-driveshaft-carrier-bushings-7734328.webp?v=1770312288&width=220)
![OVERTAKE [02 - 26 WRX, 04 - 21 STI, 13 - 26 BRZ / 86] Driveshaft Carrier Bushings - JDMusclePropeller Shaft BushingsovtovtA10572](//jdmuscleusa.com/cdn/shop/files/overtake-02-26-wrx-04-21-sti-13-26-brz-86-driveshaft-carrier-bushings-7582933.jpg?v=1770312289&width=220)
OVERTAKE Driveshaft Carrier Bushings
Fits: 02-26 WRX, 04-21 STI, 13-26 BRZ / 86
Regular price $39.00Sale price $39.00 Regular priceUnit price per -
![Cobb [Subaru STI] 6MT Stage 1+ Drivetrain Package - JDMuscleEngine Package Dealscobb215X01P-W-BK](//jdmuscleusa.com/cdn/shop/files/cobb-subaru-sti-6mt-stage-1-drivetrain-package-4281310.webp?v=1770318268&width=220)
![Cobb [Subaru STI] 6MT Stage 1+ Drivetrain Package - JDMuscleEngine Package Dealscobb215X01P-W-BK](//jdmuscleusa.com/cdn/shop/files/cobb-subaru-sti-6mt-stage-1-drivetrain-package-9844102.webp?v=1770318268&width=220)
In StockCobb Tuning Stage 1+ Drivetrain Package with Double Adjustable Shifter - White/Stealth Black
Fits: 04-21 STI 6MT
Only 8 leftRegular price $375.00Sale price $375.00 Regular priceUnit price per$375.00 -
![Cobb [Subaru STI] 6MT Stage 1+ Drivetrain Package - JDMuscleEngine Package Dealscobb215X01P-W-RD](//jdmuscleusa.com/cdn/shop/files/cobb-subaru-sti-6mt-stage-1-drivetrain-package-8750611.webp?v=1770318269&width=220)
![Cobb [Subaru STI] 6MT Stage 1+ Drivetrain Package - JDMuscleEngine Package Dealscobb215X01P-W-RD](//jdmuscleusa.com/cdn/shop/files/cobb-subaru-sti-6mt-stage-1-drivetrain-package-1103748.webp?v=1770318269&width=220)
In StockCobb Tuning Stage 1+ Drivetrain Package with Double Adjustable Shifter - White/Race Red
Fits: 04-21 STI 6MT
Only 8 leftRegular price $375.00Sale price $375.00 Regular priceUnit price per$375.00 -
![Perrin Performance [15 - 26 Subaru WRX, STI and 22 - 25 Subaru BRZ] Rear Subframe Lockdown - JDMuscleSubframe BushingsPSP-SUS-531BK](//jdmuscleusa.com/cdn/shop/files/perrin-performance-15-26-subaru-wrx-sti-and-22-25-subaru-brz-rear-subframe-lockdown-7856733.jpg?v=1770321200&width=220)
![Perrin Performance [15 - 26 Subaru WRX, STI and 22 - 25 Subaru BRZ] Rear Subframe Lockdown - JDMuscleSubframe BushingsPSP-SUS-531BK](//jdmuscleusa.com/cdn/shop/files/perrin-performance-15-26-subaru-wrx-sti-and-22-25-subaru-brz-rear-subframe-lockdown-6975992.jpg?v=1770321200&width=220)
Perrin Rear Subframe Lockdown
Fits: 15-26 WRX/STI, 22-26 BRZ
Regular price $183.30Sale price $183.30 Regular priceUnit price per -
![Exedy [04 - 21 STI] H4 Lightweight Flywheel | FF501A - JDMuscleFlywheelsexeFF501A](//jdmuscleusa.com/cdn/shop/files/exedy-04-21-sti-h4-lightweight-flywheel-ff501a-1101750.jpg?v=1770321496&width=220)
![Exedy [04 - 21 STI] H4 Lightweight Flywheel | FF501A - JDMuscleFlywheelsexeFF501A](//jdmuscleusa.com/cdn/shop/files/exedy-04-21-sti-h4-lightweight-flywheel-ff501a-4006457.jpg?v=1770321496&width=220)
Up to $77.98 off
In StockExedy H4 Lightweight Flywheel | FF501A
Fits: 04-21 STI
Only 6 leftRegular price $441.83Sale price $441.83 Regular priceUnit price per$519.81 -
![Torque Solution [15 - 21 WRX/STI] Clutch Line | TS - SU - 524 - CL - JDMuscleClutch LinestqsTS-SU-524-CL](//jdmuscleusa.com/cdn/shop/files/torque-solution-15-21-wrxsti-clutch-line-ts-su-524-cl-7951497.jpg?v=1770321683&width=220)
Up to $1.43 offTorque Solution Clutch Line | TS-SU-524-CL
Fits: 15-21 WRX/STI
Regular price $43.00Sale price $43.00 Regular priceUnit price per$44.43 -
![IAG [02 - 25 WRX, 04 - 21 STI, 05 - 12 LGT, 04 - 08 FXT] Street Series Transmission Bushing Kit For IAG Transmission Mounts | IAG - DRV - 2175 - JDMuscleTransmission and Differential BushingsIAG-DRV-2175](//jdmuscleusa.com/cdn/shop/files/iag-02-25-wrx-04-21-sti-05-12-lgt-04-08-fxt-street-series-transmission-bushing-kit-for-iag-transmission-mounts-iag-drv-2175-6381444.jpg?v=1770324741&width=220)
In StockIAG Street Series Transmission Bushing Kit For IAG Transmission Mounts | IAG-DRV-2175
Fits: 02-25 WRX, 04-21 STI, 05-12 LGT, 04-08 FXT
Only 1 leftRegular price $34.99Sale price $34.99 Regular priceUnit price per$34.99 -
![GrimmSpeed [02 - 26 WRX, 04 - 21 STI] 75A Street Transmission Mount | 123041STR - JDMuscleTransmission Mountsgrm123041STR](//jdmuscleusa.com/cdn/shop/files/grimmspeed-02-26-wrx-04-21-sti-75a-street-transmission-mount-123041str-2108924.jpg?v=1770325033&width=220)
![GrimmSpeed [02 - 26 WRX, 04 - 21 STI] 75A Street Transmission Mount | 123041STR - JDMuscleTransmission Mountsgrm123041STR](//jdmuscleusa.com/cdn/shop/files/grimmspeed-02-26-wrx-04-21-sti-75a-street-transmission-mount-123041str-9494121.jpg?v=1770325033&width=220)
In StockGrimmSpeed 75A Street Transmission Mount | 123041STR
Fits: 02-26 WRX, 04-21 STI
Only 1 leftRegular price $309.00Sale price $309.00 Regular priceUnit price per$309.00 -
![Torque Solution [02 - 14 WRX / 04 - 21 STI] Mount Package w/ Pitch Stop | TS - SU - 123.2 - JDMuscleEngine MountstqsTS-SU-123.2](//jdmuscleusa.com/cdn/shop/files/torque-solution-02-14-wrx-04-21-sti-mount-package-w-pitch-stop-ts-su-1232-9189131.jpg?v=1770327638&width=220)
Up to $111.99 off
In StockTorque Solution Mount Package w/ Pitch Stop | TS-SU-123.2
Fits: 02-14 WRX / 04-21 STI
Only 9 leftRegular price $588.00Sale price $588.00 Regular priceUnit price per$699.99
![OVERTAKE [08-26 WRX, 08-21 STI] Rear Differential Upper Bushing Inserts - JDMuscleTransmission and Differential BushingsA10851](http://jdmuscleusa.com/cdn/shop/files/overtake-08-26-wrx-08-21-sti-rear-differential-upper-bushing-inserts-1764031.jpg?v=1786472179&width=220)
![OVERTAKE [08-26 WRX, 08-21 STI] Rear Differential Upper Bushing Inserts - JDMuscleTransmission and Differential BushingsA10851](http://jdmuscleusa.com/cdn/shop/files/overtake-08-26-wrx-08-21-sti-rear-differential-upper-bushing-inserts-5290025.jpg?v=1786472179&width=220)
![GrimmSpeed [04-21 STI] Shifter Bushing Kit 6-Speed - JDMuscleShifter BushingsGRM.1153.1.0](http://jdmuscleusa.com/cdn/shop/files/grimmspeed-04-21-sti-shifter-bushing-kit-6-speed-3563094.webp?v=1783694536&width=220)
![GrimmSpeed [04-21 STI] Shifter Bushing Kit 6-Speed - JDMuscleShifter BushingsGRM.1153.1.0](http://jdmuscleusa.com/cdn/shop/files/grimmspeed-04-21-sti-shifter-bushing-kit-6-speed-3671114.webp?v=1783694536&width=220)
![OVERTAKE [02 - 26 WRX, 04 - 21 STI, 13 - 26 BRZ / 86] Driveshaft Carrier Bushings - JDMusclePropeller Shaft BushingsovtovtA10572](http://jdmuscleusa.com/cdn/shop/files/overtake-02-26-wrx-04-21-sti-13-26-brz-86-driveshaft-carrier-bushings-7734328.webp?v=1770312288&width=220)
![OVERTAKE [02 - 26 WRX, 04 - 21 STI, 13 - 26 BRZ / 86] Driveshaft Carrier Bushings - JDMusclePropeller Shaft BushingsovtovtA10572](http://jdmuscleusa.com/cdn/shop/files/overtake-02-26-wrx-04-21-sti-13-26-brz-86-driveshaft-carrier-bushings-7582933.jpg?v=1770312289&width=220)
![Cobb [Subaru STI] 6MT Stage 1+ Drivetrain Package - JDMuscleEngine Package Dealscobb215X01P-W-BK](http://jdmuscleusa.com/cdn/shop/files/cobb-subaru-sti-6mt-stage-1-drivetrain-package-4281310.webp?v=1770318268&width=220)
![Cobb [Subaru STI] 6MT Stage 1+ Drivetrain Package - JDMuscleEngine Package Dealscobb215X01P-W-BK](http://jdmuscleusa.com/cdn/shop/files/cobb-subaru-sti-6mt-stage-1-drivetrain-package-9844102.webp?v=1770318268&width=220)
![Cobb [Subaru STI] 6MT Stage 1+ Drivetrain Package - JDMuscleEngine Package Dealscobb215X01P-W-RD](http://jdmuscleusa.com/cdn/shop/files/cobb-subaru-sti-6mt-stage-1-drivetrain-package-8750611.webp?v=1770318269&width=220)
![Cobb [Subaru STI] 6MT Stage 1+ Drivetrain Package - JDMuscleEngine Package Dealscobb215X01P-W-RD](http://jdmuscleusa.com/cdn/shop/files/cobb-subaru-sti-6mt-stage-1-drivetrain-package-1103748.webp?v=1770318269&width=220)
![Perrin Performance [15 - 26 Subaru WRX, STI and 22 - 25 Subaru BRZ] Rear Subframe Lockdown - JDMuscleSubframe BushingsPSP-SUS-531BK](http://jdmuscleusa.com/cdn/shop/files/perrin-performance-15-26-subaru-wrx-sti-and-22-25-subaru-brz-rear-subframe-lockdown-7856733.jpg?v=1770321200&width=220)
![Perrin Performance [15 - 26 Subaru WRX, STI and 22 - 25 Subaru BRZ] Rear Subframe Lockdown - JDMuscleSubframe BushingsPSP-SUS-531BK](http://jdmuscleusa.com/cdn/shop/files/perrin-performance-15-26-subaru-wrx-sti-and-22-25-subaru-brz-rear-subframe-lockdown-6975992.jpg?v=1770321200&width=220)
![Exedy [04 - 21 STI] H4 Lightweight Flywheel | FF501A - JDMuscleFlywheelsexeFF501A](http://jdmuscleusa.com/cdn/shop/files/exedy-04-21-sti-h4-lightweight-flywheel-ff501a-1101750.jpg?v=1770321496&width=220)
![Exedy [04 - 21 STI] H4 Lightweight Flywheel | FF501A - JDMuscleFlywheelsexeFF501A](http://jdmuscleusa.com/cdn/shop/files/exedy-04-21-sti-h4-lightweight-flywheel-ff501a-4006457.jpg?v=1770321496&width=220)
![Torque Solution [15 - 21 WRX/STI] Clutch Line | TS - SU - 524 - CL - JDMuscleClutch LinestqsTS-SU-524-CL](http://jdmuscleusa.com/cdn/shop/files/torque-solution-15-21-wrxsti-clutch-line-ts-su-524-cl-7951497.jpg?v=1770321683&width=220)
![IAG [02 - 25 WRX, 04 - 21 STI, 05 - 12 LGT, 04 - 08 FXT] Street Series Transmission Bushing Kit For IAG Transmission Mounts | IAG - DRV - 2175 - JDMuscleTransmission and Differential BushingsIAG-DRV-2175](http://jdmuscleusa.com/cdn/shop/files/iag-02-25-wrx-04-21-sti-05-12-lgt-04-08-fxt-street-series-transmission-bushing-kit-for-iag-transmission-mounts-iag-drv-2175-6381444.jpg?v=1770324741&width=220)
![GrimmSpeed [02 - 26 WRX, 04 - 21 STI] 75A Street Transmission Mount | 123041STR - JDMuscleTransmission Mountsgrm123041STR](http://jdmuscleusa.com/cdn/shop/files/grimmspeed-02-26-wrx-04-21-sti-75a-street-transmission-mount-123041str-2108924.jpg?v=1770325033&width=220)
![GrimmSpeed [02 - 26 WRX, 04 - 21 STI] 75A Street Transmission Mount | 123041STR - JDMuscleTransmission Mountsgrm123041STR](http://jdmuscleusa.com/cdn/shop/files/grimmspeed-02-26-wrx-04-21-sti-75a-street-transmission-mount-123041str-9494121.jpg?v=1770325033&width=220)
![Torque Solution [02 - 14 WRX / 04 - 21 STI] Mount Package w/ Pitch Stop | TS - SU - 123.2 - JDMuscleEngine MountstqsTS-SU-123.2](http://jdmuscleusa.com/cdn/shop/files/torque-solution-02-14-wrx-04-21-sti-mount-package-w-pitch-stop-ts-su-1232-9189131.jpg?v=1770327638&width=220)