2015-2021 Subaru STI Drivetrain
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Up to $7.05 off
In Stock![Perrin Performance [06 - 14 Impreza, 15 - 25 WRX, 15 - 21 STI] Clutch Delay Valve Delete Kit - Red - JDMuscleClutch Alignment ToolsperPSP-BRK-300RD](//jdmuscleusa.com/cdn/shop/files/perrin-performance-06-14-impreza-15-25-wrx-15-21-sti-clutch-delay-valve-delete-kit-red-2680576.jpg?v=1770322459&width=220)
![Perrin Performance [06 - 14 Impreza, 15 - 25 WRX, 15 - 21 STI] Clutch Delay Valve Delete Kit - Red - JDMuscleClutch Alignment ToolsperPSP-BRK-300RD](//jdmuscleusa.com/cdn/shop/files/perrin-performance-06-14-impreza-15-25-wrx-15-21-sti-clutch-delay-valve-delete-kit-red-2235623.jpg?v=1770322459&width=220)
Perrin PerformancePerrin Clutch Delay Valve Delete - Red
Fits: 05-21 STI, 06-26 WRX, 05-09 Legacy/Outback
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Up to $22.80 off
In Stock![Perrin Performance [08 - 14 Subaru Impreza, 15 - 25 WRX, 15 - 21 STI] Driveshaft Lockdown - JDMuscleDrive Shafts and DrivelinesperPSP-DRV-201](//jdmuscleusa.com/cdn/shop/files/perrin-performance-08-14-subaru-impreza-15-25-wrx-15-21-sti-driveshaft-lockdown-5301246.jpg?v=1770325036&width=220)
![Perrin Performance [08 - 14 Subaru Impreza, 15 - 25 WRX, 15 - 21 STI] Driveshaft Lockdown - JDMuscleDrive Shafts and DrivelinesperPSP-DRV-201](//jdmuscleusa.com/cdn/shop/files/perrin-performance-08-14-subaru-impreza-15-25-wrx-15-21-sti-driveshaft-lockdown-4208341.jpg?v=1770325037&width=220)
Perrin PerformancePerrin Driveshaft Lockdown
Fits: 08-14 Impreza, 15-25 WRX, 15-21 STI
$12920$152.00Save $22.80 -
In Stock![Kartboy [04-21 STI] Short Shifter and Bushing Combo | KB-001-6COMBO](//jdmuscleusa.com/cdn/shop/products/kartboy-short-shifter-and-bushing-combo-subaru-sti-2004-2020-kb-001-6combo-short-throw-shifters-kartboy-kbykb-001-6combo.jpg?v=1614540393&width=220)
KartboyShort Shifter and Bushing Combo
Fits: 04-21 STI
$27400Pay over time · Est. $8.56/paymentⓘ
Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
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Up to $7.05 off
In Stock![Perrin Performance [06 - 14 Subaru Impreza, 15 - 25 WRX, 15 - 21 STI] Clutch Delay Valve Delete Kit - Black - JDMuscleClutch Replacement PartsperPSP-BRK-300BK](//jdmuscleusa.com/cdn/shop/files/perrin-performance-06-14-subaru-impreza-15-25-wrx-15-21-sti-clutch-delay-valve-delete-kit-black-4860859.jpg?v=1770322222&width=220)
![Perrin Performance [06 - 14 Subaru Impreza, 15 - 25 WRX, 15 - 21 STI] Clutch Delay Valve Delete Kit - Black - JDMuscleClutch Replacement PartsperPSP-BRK-300BK](//jdmuscleusa.com/cdn/shop/files/perrin-performance-06-14-subaru-impreza-15-25-wrx-15-21-sti-clutch-delay-valve-delete-kit-black-1993965.jpg?v=1770322222&width=220)
Perrin PerformancePerrin Clutch Delay Valve Delete - Black
Fits: 05-21 STI, 06-25 WRX, 05-09 Legacy/Outback
$3995$47.00Save 15% -
Up to $7.05 off
In Stock![Perrin Performance Driveshaft Carrier Bushings [Universal] - JDMuscleDrive Shafts and DrivelinesperPSP-DRV-210](//jdmuscleusa.com/cdn/shop/files/perrin-performance-driveshaft-carrier-bushings-universal-9629289.jpg?v=1770325037&width=220)
![Perrin Performance Driveshaft Carrier Bushings [Universal] - JDMuscleDrive Shafts and DrivelinesperPSP-DRV-210](//jdmuscleusa.com/cdn/shop/files/perrin-performance-driveshaft-carrier-bushings-universal-7034099.jpg?v=1770325038&width=220)
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Up to $7.99 off
In Stock![Whiteline [08-25 WRX, 08-21 STI, 05-13 LGT, 09-13 FXT, 12-16 Impreza, 13-17 Crosstrek] Gearbox Positive Shift Kit | KDT901](//jdmuscleusa.com/cdn/shop/products/whiteline-positive-shift-kit-2008-2019-wrx-2004-2019-sti-2009-2013-forester-xt-2005-2012-legacy-gt-kdt901-shifter-bushings-whiteline-wlkdt901.jpg?v=1614516106&width=220)
![Whiteline [08-25 WRX, 08-21 STI, 05-13 LGT, 09-13 FXT, 12-16 Impreza, 13-17 Crosstrek] Gearbox Positive Shift Kit | KDT901](//jdmuscleusa.com/cdn/shop/files/square-21907183468646.jpg?v=1792050930&width=220)
WhitelineGearbox Positive Shift Kit
Fits: 08-26 WRX, 08-21 STI, 05-13 LGT, 09-13 FXT, 12-16 Impreza, 13-17 Crosstrek
$7189$79.88Save 10% -
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In Stock![COBB [02 - 26 WRX, 04 - 21 STI] Pitch Stop Mount Black | 862001 - JDMusclePitch Stop Mountscobb862001](//jdmuscleusa.com/cdn/shop/products/cobb-02-26-wrx-04-21-sti-pitch-stop-mount-black-862001-4458279.jpg?v=1770336429&width=220)
![COBB [02 - 26 WRX, 04 - 21 STI] Pitch Stop Mount Black | 862001 - JDMusclePitch Stop Mountscobb862001](//jdmuscleusa.com/cdn/shop/products/cobb-02-26-wrx-04-21-sti-pitch-stop-mount-black-862001-5458963.jpg?v=1770336429&width=220)
COBB TuningPitch Stop Mount - Black
Fits: 02-25* WRX, 04-21 STI, 04-18 Forester XT, 05-25 Legacy GT/XT, 05-25 Outback XT/Wilderness
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Up to $8.09 off
In Stock![Whiteline [08-25 WRX, 08-21 STI, 10-12 LGT, 09-18 FXT, 15-19 Outback, 12-16 Impreza] Rear Differential Positive Power Kit Inserts | KDT903](//jdmuscleusa.com/cdn/shop/products/whiteline-rear-differential-mount-inserts-wrx-sti-2008-2019-forester-xt-2009-2017-kdt903-differential-braces-whiteline-wlkdt903.jpg?v=1614516138&width=220)
![Whiteline [08-25 WRX, 08-21 STI, 10-12 LGT, 09-18 FXT, 15-19 Outback, 12-16 Impreza] Rear Differential Positive Power Kit Inserts | KDT903](//jdmuscleusa.com/cdn/shop/files/square-22168306876518.jpg?v=1792051254&width=220)
WhitelineRear Differential Positive Power Kit Inserts
Fits: 08-25 WRX, 08-21 STI, 10-12 LGT, 09-18 FXT, 15-19 Outback, 12-16 Impreza
$7279$80.88Save 10% -
Up to $195 off
In Stock
ACTHeavy Duty Performance Street Disc Clutch Kit
Fits: 04-21 STI, 07-09 LGT Spec. B
$83300$1,028.00Save $195Pay over time · Est. $26.03/paymentⓘ
Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
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In Stock![Grimm Speed [02-25 WRX/STI] Race Version Pitch Stop Mount-Red | 122009 - JDMusclePitch Stop Mountsgrm122009](//jdmuscleusa.com/cdn/shop/files/square-20519004733542.jpg?v=1792828968&width=220)
![Grimm Speed [02-25 WRX/STI] Race Version Pitch Stop Mount-Red | 122009 - JDMusclePitch Stop Mountsgrm122009](//jdmuscleusa.com/cdn/shop/files/square-20519005847654.jpg?v=1792828979&width=220)
GrimmSpeedGrimm Speed Race Version Pitch Stop Mount-Red | 122009
Fits: 02-25 WRX/STI
Only 16 left$14800 -
Up to $205 off
In Stock![ACT [04-21 STI / 07-09 LGT] Spec B Xtreme Duty Performance Street Disc Clutch Kit | SB10-XTSS](//jdmuscleusa.com/cdn/shop/products/act-xtreme-duty-street-clutch-kit-subaru-sti-2004-2020-sb10-xtss-clutches-act-actsb10-xtss.jpg?v=1614511378&width=220)
ACTSpec B Xtreme Duty Performance Street Disc Clutch Kit
Fits: 04-21 STI, 07-09 LGT
Only 10 left$87500$1,080.00Save $205Pay over time · Est. $27.34/paymentⓘ
Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
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Up to $8.70 off
In Stock![Perrin Performance [05 - 25 Subaru WRX, STI, Forester, Outback, XT, Legacy GT, Impreza] Transmission Crossmember Bushings - JDMuscleTransmission and Differential BushingsperPSP-DRV-141](//jdmuscleusa.com/cdn/shop/files/perrin-performance-05-25-subaru-wrx-sti-forester-outback-xt-legacy-gt-impreza-transmission-crossmember-bushings-1763746.jpg?v=1770321265&width=220)
![Perrin Performance [05 - 25 Subaru WRX, STI, Forester, Outback, XT, Legacy GT, Impreza] Transmission Crossmember Bushings - JDMuscleTransmission and Differential BushingsperPSP-DRV-141](//jdmuscleusa.com/cdn/shop/files/perrin-performance-05-25-subaru-wrx-sti-forester-outback-xt-legacy-gt-impreza-transmission-crossmember-bushings-6825249.jpg?v=1770321265&width=220)
Perrin PerformancePerrin Transmission Crossmember Bushings - Manual Transmission
Fits: 08-26 WRX, 08-21 STI, 05-14 Legacy/Outback, 08-13 Forester, 05-23 Impreza, 14-23 Crosstrek
$4930$58.00Save 15% -
In Stock![Driveshaft Shop [15-21 STI] 1-Piece Carbon Fiber Driveshaft - JDMuscleDrive Shafts and Drivelinesdss610265](//jdmuscleusa.com/cdn/shop/files/square-20979297091686.jpg?v=1792836120&width=220)
![Driveshaft Shop [15-21 STI] 1-Piece Carbon Fiber Driveshaft - JDMuscleDrive Shafts and Drivelinesdss610265](//jdmuscleusa.com/cdn/shop/files/square-20979297943654.jpg?v=1792836131&width=220)
Driveshaft Shop1-Piece Carbon Fiber Driveshaft
Fits: 15-21 STI
Only 2 left$1,29998Pay over time · Est. $40.62/paymentⓘ
Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
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Up to $27.32 off
In Stock![Torque Solution [04-21 STI] Short Shifter & Bushings Combo - JDMuscleShifter and Bushing CombostqsTS-SS-001C](//jdmuscleusa.com/cdn/shop/files/square-20622362968166.jpg?v=1792833857&width=220)
Torque SolutionShort Shifter & Bushings Combo
Fits: 04-21 STI
Only 9 left$20600$233.32Save $27.32Pay over time · Est. $6.44/paymentⓘ
Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.
![Perrin Performance [06 - 14 Impreza, 15 - 25 WRX, 15 - 21 STI] Clutch Delay Valve Delete Kit - Red - JDMuscleClutch Alignment ToolsperPSP-BRK-300RD](http://jdmuscleusa.com/cdn/shop/files/perrin-performance-06-14-impreza-15-25-wrx-15-21-sti-clutch-delay-valve-delete-kit-red-2680576.jpg?v=1770322459&width=220)
![Perrin Performance [06 - 14 Impreza, 15 - 25 WRX, 15 - 21 STI] Clutch Delay Valve Delete Kit - Red - JDMuscleClutch Alignment ToolsperPSP-BRK-300RD](http://jdmuscleusa.com/cdn/shop/files/perrin-performance-06-14-impreza-15-25-wrx-15-21-sti-clutch-delay-valve-delete-kit-red-2235623.jpg?v=1770322459&width=220)
![Perrin Performance [08 - 14 Subaru Impreza, 15 - 25 WRX, 15 - 21 STI] Driveshaft Lockdown - JDMuscleDrive Shafts and DrivelinesperPSP-DRV-201](http://jdmuscleusa.com/cdn/shop/files/perrin-performance-08-14-subaru-impreza-15-25-wrx-15-21-sti-driveshaft-lockdown-5301246.jpg?v=1770325036&width=220)
![Perrin Performance [08 - 14 Subaru Impreza, 15 - 25 WRX, 15 - 21 STI] Driveshaft Lockdown - JDMuscleDrive Shafts and DrivelinesperPSP-DRV-201](http://jdmuscleusa.com/cdn/shop/files/perrin-performance-08-14-subaru-impreza-15-25-wrx-15-21-sti-driveshaft-lockdown-4208341.jpg?v=1770325037&width=220)
![Kartboy [04-21 STI] Short Shifter and Bushing Combo | KB-001-6COMBO](http://jdmuscleusa.com/cdn/shop/products/kartboy-short-shifter-and-bushing-combo-subaru-sti-2004-2020-kb-001-6combo-short-throw-shifters-kartboy-kbykb-001-6combo.jpg?v=1614540393&width=220)
![Perrin Performance [06 - 14 Subaru Impreza, 15 - 25 WRX, 15 - 21 STI] Clutch Delay Valve Delete Kit - Black - JDMuscleClutch Replacement PartsperPSP-BRK-300BK](http://jdmuscleusa.com/cdn/shop/files/perrin-performance-06-14-subaru-impreza-15-25-wrx-15-21-sti-clutch-delay-valve-delete-kit-black-4860859.jpg?v=1770322222&width=220)
![Perrin Performance [06 - 14 Subaru Impreza, 15 - 25 WRX, 15 - 21 STI] Clutch Delay Valve Delete Kit - Black - JDMuscleClutch Replacement PartsperPSP-BRK-300BK](http://jdmuscleusa.com/cdn/shop/files/perrin-performance-06-14-subaru-impreza-15-25-wrx-15-21-sti-clutch-delay-valve-delete-kit-black-1993965.jpg?v=1770322222&width=220)
![Perrin Performance Driveshaft Carrier Bushings [Universal] - JDMuscleDrive Shafts and DrivelinesperPSP-DRV-210](http://jdmuscleusa.com/cdn/shop/files/perrin-performance-driveshaft-carrier-bushings-universal-9629289.jpg?v=1770325037&width=220)
![Perrin Performance Driveshaft Carrier Bushings [Universal] - JDMuscleDrive Shafts and DrivelinesperPSP-DRV-210](http://jdmuscleusa.com/cdn/shop/files/perrin-performance-driveshaft-carrier-bushings-universal-7034099.jpg?v=1770325038&width=220)
![Whiteline [08-25 WRX, 08-21 STI, 05-13 LGT, 09-13 FXT, 12-16 Impreza, 13-17 Crosstrek] Gearbox Positive Shift Kit | KDT901](http://jdmuscleusa.com/cdn/shop/products/whiteline-positive-shift-kit-2008-2019-wrx-2004-2019-sti-2009-2013-forester-xt-2005-2012-legacy-gt-kdt901-shifter-bushings-whiteline-wlkdt901.jpg?v=1614516106&width=220)
![Whiteline [08-25 WRX, 08-21 STI, 05-13 LGT, 09-13 FXT, 12-16 Impreza, 13-17 Crosstrek] Gearbox Positive Shift Kit | KDT901](http://jdmuscleusa.com/cdn/shop/files/square-21907183468646.jpg?v=1792050930&width=220)
![COBB [02 - 26 WRX, 04 - 21 STI] Pitch Stop Mount Black | 862001 - JDMusclePitch Stop Mountscobb862001](http://jdmuscleusa.com/cdn/shop/products/cobb-02-26-wrx-04-21-sti-pitch-stop-mount-black-862001-4458279.jpg?v=1770336429&width=220)
![COBB [02 - 26 WRX, 04 - 21 STI] Pitch Stop Mount Black | 862001 - JDMusclePitch Stop Mountscobb862001](http://jdmuscleusa.com/cdn/shop/products/cobb-02-26-wrx-04-21-sti-pitch-stop-mount-black-862001-5458963.jpg?v=1770336429&width=220)
![Whiteline [08-25 WRX, 08-21 STI, 10-12 LGT, 09-18 FXT, 15-19 Outback, 12-16 Impreza] Rear Differential Positive Power Kit Inserts | KDT903](http://jdmuscleusa.com/cdn/shop/products/whiteline-rear-differential-mount-inserts-wrx-sti-2008-2019-forester-xt-2009-2017-kdt903-differential-braces-whiteline-wlkdt903.jpg?v=1614516138&width=220)
![Whiteline [08-25 WRX, 08-21 STI, 10-12 LGT, 09-18 FXT, 15-19 Outback, 12-16 Impreza] Rear Differential Positive Power Kit Inserts | KDT903](http://jdmuscleusa.com/cdn/shop/files/square-22168306876518.jpg?v=1792051254&width=220)
![Grimm Speed [02-25 WRX/STI] Race Version Pitch Stop Mount-Red | 122009 - JDMusclePitch Stop Mountsgrm122009](http://jdmuscleusa.com/cdn/shop/files/square-20519004733542.jpg?v=1792828968&width=220)
![Grimm Speed [02-25 WRX/STI] Race Version Pitch Stop Mount-Red | 122009 - JDMusclePitch Stop Mountsgrm122009](http://jdmuscleusa.com/cdn/shop/files/square-20519005847654.jpg?v=1792828979&width=220)
![ACT [04-21 STI / 07-09 LGT] Spec B Xtreme Duty Performance Street Disc Clutch Kit | SB10-XTSS](http://jdmuscleusa.com/cdn/shop/products/act-xtreme-duty-street-clutch-kit-subaru-sti-2004-2020-sb10-xtss-clutches-act-actsb10-xtss.jpg?v=1614511378&width=220)
![Perrin Performance [05 - 25 Subaru WRX, STI, Forester, Outback, XT, Legacy GT, Impreza] Transmission Crossmember Bushings - JDMuscleTransmission and Differential BushingsperPSP-DRV-141](http://jdmuscleusa.com/cdn/shop/files/perrin-performance-05-25-subaru-wrx-sti-forester-outback-xt-legacy-gt-impreza-transmission-crossmember-bushings-1763746.jpg?v=1770321265&width=220)
![Perrin Performance [05 - 25 Subaru WRX, STI, Forester, Outback, XT, Legacy GT, Impreza] Transmission Crossmember Bushings - JDMuscleTransmission and Differential BushingsperPSP-DRV-141](http://jdmuscleusa.com/cdn/shop/files/perrin-performance-05-25-subaru-wrx-sti-forester-outback-xt-legacy-gt-impreza-transmission-crossmember-bushings-6825249.jpg?v=1770321265&width=220)
![Driveshaft Shop [15-21 STI] 1-Piece Carbon Fiber Driveshaft - JDMuscleDrive Shafts and Drivelinesdss610265](http://jdmuscleusa.com/cdn/shop/files/square-20979297091686.jpg?v=1792836120&width=220)
![Driveshaft Shop [15-21 STI] 1-Piece Carbon Fiber Driveshaft - JDMuscleDrive Shafts and Drivelinesdss610265](http://jdmuscleusa.com/cdn/shop/files/square-20979297943654.jpg?v=1792836131&width=220)
![Torque Solution [04-21 STI] Short Shifter & Bushings Combo - JDMuscleShifter and Bushing CombostqsTS-SS-001C](http://jdmuscleusa.com/cdn/shop/files/square-20622362968166.jpg?v=1792833857&width=220)