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 StockCobb Tuning Stage 2+ Drivetrain Package - Weighted White Knob + White/Stealth Black Lockout
Fits: 04-21 STI 6MT
Only 6 leftRegular price $490.00Sale price $490.00 Regular priceUnit price per$490.00 -
In StockCobb Tuning Stage 2+ Drivetrain Package - Weighted White Knob + White/Race Red Lockout
Fits: 04-21 STI 6MT
Only 7 leftRegular price $490.00Sale price $490.00 Regular priceUnit price per$490.00 -
In StockCobb Tuning Stage 2+ Drivetrain Package - Weighted White Knob + Race Red Lockout
Fits: 04-21 STI 6MT
Only 10 leftRegular price $490.00Sale price $490.00 Regular priceUnit price per$490.00 -
In StockCobb Tuning Stage 2+ Drivetrain Package - Weighted Black Knob + Stealth Black Lockout
Fits: 04-21 STI 6MT
Only 11 leftRegular price $490.00Sale price $490.00 Regular priceUnit price per$490.00 -
Verus Engineering Bell Housing Cover EJ / EG Series Models | A0102A
Regular price $56.10Sale price $56.10 Regular priceUnit price per$51.00 -
Verus Engineering 04-21 Billet High-Strength Steel Clutch Fork | A0195A
Regular price $279.40Sale price $279.40 Regular priceUnit price per$263.95 -
Up to $480 offACT 04-21 STI Mod Twin 225 Heavy Duty Rigid Race Twin Disk Clutch Kit | T1R-S07
Regular price $2,047.00Sale price $2,047.00 Regular priceUnit price per$2,527.00 -
Up to $452 offACT 04-20 WRX STI Mod Twin XX Race Kit Sprung Hub Torque Cap 1340ft/lbs Not For Street Use | T3R-S05
Regular price $1,925.00Sale price $1,925.00 Regular priceUnit price per$2,377.00 -
Up to $494 off
In StockACT 04-21 STI Mod Twin 225 Heavy Duty Sprung Race Twin Disk Clutch Kit | T1R-S05
Only 1 leftRegular price $2,104.00Sale price $2,104.00 Regular priceUnit price per$2,598.00 -
Up to $440 offACT 04-20 WRX STI Mod Twin XX Race Kit Unsprung Hub Torque Cap 1340ft/lbs Not For Street Use | T3R-S07
Regular price $1,878.00Sale price $1,878.00 Regular priceUnit price per$2,318.00 -
Up to $491 off
In StockACT 04-21 STI Mod Twin 225 Xtreme Duty Sprung Race Twin Disk Clutch Kit | T2R-S05
Only 4 leftRegular price $2,095.00Sale price $2,095.00 Regular priceUnit price per$2,586.00 -
Up to $480 offACT 04-21 STI Mod Twin 225 Xtreme Duty Rigid Race Twin Disk Clutch Kit | T2R-S07
Regular price $2,047.00Sale price $2,047.00 Regular priceUnit price per$2,527.00 -
![COBB [08 - 21 WRX/STI, 05 - 09 LGT] Transmission Cross Member Isolator Kit - JDMuscleTransmission and Differential BushingscobbCB-3199K](//jdmuscleusa.com/cdn/shop/products/cobb-08-21-wrxsti-05-09-lgt-transmission-cross-member-isolator-kit-4361432.jpg?v=1770330621&width=220)
In StockCOBB Transmission Cross Member Isolator Kit
Fits: 08-21 WRX/STI, 18 Type RA, 19 S209, 05-09 Legacy GT/Outback XT, 06-09 Legacy GT Spec B
Only 15 leftRegular price $63.00Sale price $63.00 Regular priceUnit price per$63.00 -
IAG Performance Race Series 6 Speed Transmission Mount
Fits: 04-21 STI
Regular price $269.99Sale price $269.99 Regular priceUnit price per$269.99 -
In StockIAG Performance Race Series Solid Engine Mounts for 2002-2007 WRX, 2004-2020 WRX STI, and Subaru Forester XT | IAG-DRV-2020
Only 1 leftRegular price $299.99Sale price $299.99 Regular priceUnit price per$299.99 -
IAG Spec Competition Clutch Triple Disc & Flywheel Kit
Fits: 04-19 STI
Regular price $2,399.99Sale price $2,399.99 Regular priceUnit price per$2,399.99
![COBB [08 - 21 WRX/STI, 05 - 09 LGT] Transmission Cross Member Isolator Kit - JDMuscleTransmission and Differential BushingscobbCB-3199K](http://jdmuscleusa.com/cdn/shop/products/cobb-08-21-wrxsti-05-09-lgt-transmission-cross-member-isolator-kit-4361432.jpg?v=1770330621&width=220)
