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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In StockCompetition Clutch Full Face Dual Friction Stage 3 Clutch Kit | 15030-2250
Fits: 04-20 STI
Only 7 leftRegular price $645.00Sale price $645.00 Regular priceUnit price per$645.00 -
![IAG [22 - 25 WRX, 04 - 21 STI, 07 - 09 LGT] Street Series 6 Speed Transmission Mount | IAG - DRV - 2101 - JDMuscleTransmission MountsIAG-DRV-2101](//jdmuscleusa.com/cdn/shop/files/iag-22-25-wrx-04-21-sti-07-09-lgt-street-series-6-speed-transmission-mount-iag-drv-2101-6188636.jpg?v=1770324747&width=220)
![IAG [22 - 25 WRX, 04 - 21 STI, 07 - 09 LGT] Street Series 6 Speed Transmission Mount | IAG - DRV - 2101 - JDMuscleTransmission MountsIAG-DRV-2101](//jdmuscleusa.com/cdn/shop/files/iag-22-25-wrx-04-21-sti-07-09-lgt-street-series-6-speed-transmission-mount-iag-drv-2101-3196562.jpg?v=1770324747&width=220)
In StockIAG Street Series 6 Speed Transmission Mount | IAG-DRV-2101
Fits: 22-26 WRX, 04-21 STI, 07-09 LGT
Only 1 leftRegular price $299.99Sale price $299.99 Regular priceUnit price per$299.99 -
![Kartboy [15 - 21 WRX/STI] Rear Diff/Carrier Wedge Lock System | KB - 003 - WEDGE - JDMuscleTransmission and Differential BushingskbyKB-003-WEDGE](//jdmuscleusa.com/cdn/shop/files/kartboy-15-21-wrxsti-rear-diffcarrier-wedge-lock-system-kb-003-wedge-4624261.jpg?v=1770327908&width=220)
![Kartboy [15 - 21 WRX/STI] Rear Diff/Carrier Wedge Lock System | KB - 003 - WEDGE - JDMuscleTransmission and Differential BushingskbyKB-003-WEDGE](//jdmuscleusa.com/cdn/shop/files/kartboy-15-21-wrxsti-rear-diffcarrier-wedge-lock-system-kb-003-wedge-2231947.jpg?v=1770327909&width=220)
In StockKartboy Rear Diff/Carrier Wedge Lock System | KB-003-WEDGE
Fits: 15-21 WRX/STI
Regular price $100.00Sale price $100.00 Regular priceUnit price per$100.00 -
![COBB [04 - 21 STI] Stage 2 Drivetrain Package - JDMuscleShifter and Bushing Comboscobb215X02-BK](//jdmuscleusa.com/cdn/shop/files/cobb-04-21-sti-stage-2-drivetrain-package-9816923.jpg?v=1770327978&width=220)
![COBB [04 - 21 STI] Stage 2 Drivetrain Package - JDMuscleShifter and Bushing Comboscobb215X02-BK](//jdmuscleusa.com/cdn/shop/files/cobb-04-21-sti-stage-2-drivetrain-package-2484068.jpg?v=1770327978&width=220)
In StockCobb Tuning Stage 2 Drivetrain Package
Fits: 04-21 STI 6MT ADM/USDM
Only 10 leftRegular price $405.00Sale price $405.00 Regular priceUnit price per$405.00 -
Up to $3.54 off
In StockTorque Solution 04-21 STI / 07-09 Legacy GT Spec B. Solid Shifter Bushings 6 Speed | TS-SU-006SB
Only 11 leftRegular price $52.00Sale price $52.00 Regular priceUnit price per$55.54 -
Up to $12.50 off
In StockCusco 15-21 WRX / 04-21 STI Braided Stainless Steel Clutch Line | 672-022-CL
Only 8 leftRegular price $112.50Sale price $112.50 Regular priceUnit price per$125.00 -
![IAG [02 - 25 WRX, 04 - 21 STI, 05 - 09 LGT] Race Series Pitch Stop Mount | IAG - DRV - 2220 - JDMusclePitch Stop MountsIAG-DRV-2220BKBlackBushings Not Required](//jdmuscleusa.com/cdn/shop/products/iag-02-25-wrx-04-21-sti-05-09-lgt-race-series-pitch-stop-mount-iag-drv-2220-8898103.jpg?v=1770331211&width=220)
![IAG [02 - 25 WRX, 04 - 21 STI, 05 - 09 LGT] Race Series Pitch Stop Mount | IAG - DRV - 2220 - JDMusclePitch Stop MountsIAG-DRV-2220BKBlackBushings Not Required](//jdmuscleusa.com/cdn/shop/products/iag-02-25-wrx-04-21-sti-05-09-lgt-race-series-pitch-stop-mount-iag-drv-2220-4495795.jpg?v=1770331211&width=220)
In StockIAG Race Series Pitch Stop Mount
Fits: 02-25 WRX, 04-21 STI, 05-09 LGT
Only 1 leftRegular price From $124.99Sale price From $124.99 Regular priceUnit price per$124.99 -
![SuperPro [08 - 25 WRX/STI / 05 - 09 LGT] Gear Box Cross Member Isolator Mounts | SPF3199K - JDMuscleTransmission and Differential BushingsSPF3199K](//jdmuscleusa.com/cdn/shop/products/superpro-08-25-wrxsti-05-09-lgt-gear-box-cross-member-isolator-mounts-spf3199k-2581671.jpg?v=1770332057&width=220)
![SuperPro [08 - 25 WRX/STI / 05 - 09 LGT] Gear Box Cross Member Isolator Mounts | SPF3199K - JDMuscleTransmission and Differential BushingsSPF3199K](//jdmuscleusa.com/cdn/shop/files/superpro-08-25-wrxsti-05-09-lgt-gear-box-cross-member-isolator-mounts-spf3199k-7196237.jpg?v=1770332057&width=220)
SuperPro Gear Box Cross Member Isolator Mounts | SPF3199K
Fits: 08-25 WRX/STI / 05-09 LGT
Regular price $39.99Sale price $39.99 Regular priceUnit price per$39.99 -
![COBB [04 - 21 STI] Stage 2+ Drivetrain Package | 215X02P - JDMuscleShifter and Bushing Comboscobb215X02P-RD-Knob-W-RD-LockoutRed Race Knob & Reverse Lockout Pull - White/Race Red](//jdmuscleusa.com/cdn/shop/files/cobb-04-21-sti-stage-2-drivetrain-package-215x02p-4739527.png?v=1770336383&width=220)
![COBB [04 - 21 STI] Stage 2+ Drivetrain Package | 215X02P - JDMuscleShifter and Bushing Comboscobb215X02P-RD-Knob-W-RD-LockoutRed Race Knob & Reverse Lockout Pull - White/Race Red](//jdmuscleusa.com/cdn/shop/products/cobb-04-21-sti-stage-2-drivetrain-package-215x02p-2689836.jpg?v=1770336383&width=220)
In StockCobb Tuning Stage 2+ Drivetrain Package
Fits: 04-21 STI 6MT
Regular price $490.00Sale price $490.00 Regular priceUnit price per$490.00 -
![COBB [04 - 21 STI , 06 - 09 Legacy GT Spec B] 6 - Speed Front Shifter Bushings | 213320 - JDMuscleShifter Bushingscobb213320](//jdmuscleusa.com/cdn/shop/products/cobb-04-21-sti-06-09-legacy-gt-spec-b-6-speed-front-shifter-bushings-213320-2953320.jpg?v=1770336379&width=220)
![COBB [04 - 21 STI , 06 - 09 Legacy GT Spec B] 6 - Speed Front Shifter Bushings | 213320 - JDMuscleShifter Bushingscobb213320](//jdmuscleusa.com/cdn/shop/files/cobb-04-21-sti-06-09-legacy-gt-spec-b-6-speed-front-shifter-bushings-213320-7363257.jpg?v=1770336380&width=220)
In StockCobb Tuning 6-Speed Front Shifter Bushing
Fits: 04-21 STI, 06-09 Legacy GT Spec B
Regular price $63.00Sale price $63.00 Regular priceUnit price per$63.00 -
![Kartboy [02 - 25 WRX, 04 - 21 ST] Pitch Stop Mount | KB - 015 - PITCH - JDMusclePitch Stop MountskbyKB-015-Pitch](//jdmuscleusa.com/cdn/shop/files/kartboy-02-25-wrx-04-21-st-pitch-stop-mount-kb-015-pitch-1580267.jpg?v=1775594777&width=220)
In StockKartboy Pitch Stop Mount | KB-015-PITCH
Fits: 02-25 WRX, 04-21 ST
Only 9 leftRegular price $115.00Sale price $115.00 Regular priceUnit price per$115.00 -
![Exedy [04-21 STI] OEM Replacement Clutch | FJK1000 - JDMuscleClutchesexeFJK1000](//jdmuscleusa.com/cdn/shop/products/exedy-04-21-sti-oem-replacement-clutch-fjk1000-9442254.jpg?v=1783899676&width=220)
Up to $90.37 offExedy OEM Replacement Clutch | FJK1000
Fits: 04-21 STI
Regular price $512.12Sale price $512.12 Regular priceUnit price per$602.49 -
Up to $471 off
In StockACT 04-21 STI Mod Twin 225 Xtreme Duty Sprung Street Twin Disk Clutch Kit | T2S-S05
Only 11 leftRegular price $2,006.00Sale price $2,006.00 Regular priceUnit price per$2,477.00 -
In StockExedy Twin Organic Clutch Kit Subaru STI 2004-2020 | FM022SDF
Only 7 leftRegular price $2,731.75Sale price $2,731.75 Regular priceUnit price per$2,731.75 -
In StockKartboy 02-14 WRX / 04-21 STI / 05-09 LGT / 13-21 BRZ / 13-16 FRS / 17-21 GT86 Rear Shifter Bushing | KB-003-REAR
Regular price $42.00Sale price $42.00 Regular priceUnit price per$42.00 -
Up to $238.58 off
In StockExedy Stage 3 Hyper Single Metallic Disc Clutch Kit Subaru STI 2004-21 / Legacy GT Spec B 2007-2009 | FH02SD1
Only 3 leftRegular price $1,351.75Sale price $1,351.75 Regular priceUnit price per$1,590.33
![IAG [22 - 25 WRX, 04 - 21 STI, 07 - 09 LGT] Street Series 6 Speed Transmission Mount | IAG - DRV - 2101 - JDMuscleTransmission MountsIAG-DRV-2101](http://jdmuscleusa.com/cdn/shop/files/iag-22-25-wrx-04-21-sti-07-09-lgt-street-series-6-speed-transmission-mount-iag-drv-2101-6188636.jpg?v=1770324747&width=220)
![IAG [22 - 25 WRX, 04 - 21 STI, 07 - 09 LGT] Street Series 6 Speed Transmission Mount | IAG - DRV - 2101 - JDMuscleTransmission MountsIAG-DRV-2101](http://jdmuscleusa.com/cdn/shop/files/iag-22-25-wrx-04-21-sti-07-09-lgt-street-series-6-speed-transmission-mount-iag-drv-2101-3196562.jpg?v=1770324747&width=220)
![Kartboy [15 - 21 WRX/STI] Rear Diff/Carrier Wedge Lock System | KB - 003 - WEDGE - JDMuscleTransmission and Differential BushingskbyKB-003-WEDGE](http://jdmuscleusa.com/cdn/shop/files/kartboy-15-21-wrxsti-rear-diffcarrier-wedge-lock-system-kb-003-wedge-4624261.jpg?v=1770327908&width=220)
![Kartboy [15 - 21 WRX/STI] Rear Diff/Carrier Wedge Lock System | KB - 003 - WEDGE - JDMuscleTransmission and Differential BushingskbyKB-003-WEDGE](http://jdmuscleusa.com/cdn/shop/files/kartboy-15-21-wrxsti-rear-diffcarrier-wedge-lock-system-kb-003-wedge-2231947.jpg?v=1770327909&width=220)
![COBB [04 - 21 STI] Stage 2 Drivetrain Package - JDMuscleShifter and Bushing Comboscobb215X02-BK](http://jdmuscleusa.com/cdn/shop/files/cobb-04-21-sti-stage-2-drivetrain-package-9816923.jpg?v=1770327978&width=220)
![COBB [04 - 21 STI] Stage 2 Drivetrain Package - JDMuscleShifter and Bushing Comboscobb215X02-BK](http://jdmuscleusa.com/cdn/shop/files/cobb-04-21-sti-stage-2-drivetrain-package-2484068.jpg?v=1770327978&width=220)
![IAG [02 - 25 WRX, 04 - 21 STI, 05 - 09 LGT] Race Series Pitch Stop Mount | IAG - DRV - 2220 - JDMusclePitch Stop MountsIAG-DRV-2220BKBlackBushings Not Required](http://jdmuscleusa.com/cdn/shop/products/iag-02-25-wrx-04-21-sti-05-09-lgt-race-series-pitch-stop-mount-iag-drv-2220-8898103.jpg?v=1770331211&width=220)
![IAG [02 - 25 WRX, 04 - 21 STI, 05 - 09 LGT] Race Series Pitch Stop Mount | IAG - DRV - 2220 - JDMusclePitch Stop MountsIAG-DRV-2220BKBlackBushings Not Required](http://jdmuscleusa.com/cdn/shop/products/iag-02-25-wrx-04-21-sti-05-09-lgt-race-series-pitch-stop-mount-iag-drv-2220-4495795.jpg?v=1770331211&width=220)
![SuperPro [08 - 25 WRX/STI / 05 - 09 LGT] Gear Box Cross Member Isolator Mounts | SPF3199K - JDMuscleTransmission and Differential BushingsSPF3199K](http://jdmuscleusa.com/cdn/shop/products/superpro-08-25-wrxsti-05-09-lgt-gear-box-cross-member-isolator-mounts-spf3199k-2581671.jpg?v=1770332057&width=220)
![SuperPro [08 - 25 WRX/STI / 05 - 09 LGT] Gear Box Cross Member Isolator Mounts | SPF3199K - JDMuscleTransmission and Differential BushingsSPF3199K](http://jdmuscleusa.com/cdn/shop/files/superpro-08-25-wrxsti-05-09-lgt-gear-box-cross-member-isolator-mounts-spf3199k-7196237.jpg?v=1770332057&width=220)
![COBB [04 - 21 STI] Stage 2+ Drivetrain Package | 215X02P - JDMuscleShifter and Bushing Comboscobb215X02P-RD-Knob-W-RD-LockoutRed Race Knob & Reverse Lockout Pull - White/Race Red](http://jdmuscleusa.com/cdn/shop/files/cobb-04-21-sti-stage-2-drivetrain-package-215x02p-4739527.png?v=1770336383&width=220)
![COBB [04 - 21 STI] Stage 2+ Drivetrain Package | 215X02P - JDMuscleShifter and Bushing Comboscobb215X02P-RD-Knob-W-RD-LockoutRed Race Knob & Reverse Lockout Pull - White/Race Red](http://jdmuscleusa.com/cdn/shop/products/cobb-04-21-sti-stage-2-drivetrain-package-215x02p-2689836.jpg?v=1770336383&width=220)
![COBB [04 - 21 STI , 06 - 09 Legacy GT Spec B] 6 - Speed Front Shifter Bushings | 213320 - JDMuscleShifter Bushingscobb213320](http://jdmuscleusa.com/cdn/shop/products/cobb-04-21-sti-06-09-legacy-gt-spec-b-6-speed-front-shifter-bushings-213320-2953320.jpg?v=1770336379&width=220)
![COBB [04 - 21 STI , 06 - 09 Legacy GT Spec B] 6 - Speed Front Shifter Bushings | 213320 - JDMuscleShifter Bushingscobb213320](http://jdmuscleusa.com/cdn/shop/files/cobb-04-21-sti-06-09-legacy-gt-spec-b-6-speed-front-shifter-bushings-213320-7363257.jpg?v=1770336380&width=220)
![Kartboy [02 - 25 WRX, 04 - 21 ST] Pitch Stop Mount | KB - 015 - PITCH - JDMusclePitch Stop MountskbyKB-015-Pitch](http://jdmuscleusa.com/cdn/shop/files/kartboy-02-25-wrx-04-21-st-pitch-stop-mount-kb-015-pitch-1580267.jpg?v=1775594777&width=220)
![Exedy [04-21 STI] OEM Replacement Clutch | FJK1000 - JDMuscleClutchesexeFJK1000](http://jdmuscleusa.com/cdn/shop/products/exedy-04-21-sti-oem-replacement-clutch-fjk1000-9442254.jpg?v=1783899676&width=220)
