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2021 Subaru WRX STI Drivetrain

Looking for aftermarket parts to modify or upgrade your 2021 Subaru WRX STI with drivetrain? At Tunersports.com we carry a huge selection of the top name brand performance drivetrain parts and accessories for your WRX STI.

Whether you have a 2021 Subaru WRX STI in Base to Limited trim we have you covered. With drivetrain from clutch discs to shifter bushings we have 65 WRX STI drivetrain mods available. All parts have free shipping to the Continental US 48 States.

2021 WRX STI Drivetrain Parts:

Recently Added Subaru WRX STI Aftermarket Drivetrain Parts:

IN STOCK - LOW XCLUTCH Clutch - Stage 1 Steel Backed Organic XKSU24001-1T XClutch 15-21 Subaru WRX STi Base 2.5L Stage 1 Steel Backed Organic Clutch Kit $743.24 SALE VIEW PRICE IN CART Details
IN STOCK XCLUTCH Clutch - Stage 1 Sprung Organic XKSU24001-1A XClutch 15-21 Subaru WRX STi Base 2.5L Stage 1 Sprung Organic Clutch Kit $607.36 SALE VIEW PRICE IN CART Details
IN STOCK XCLUTCH Clutch - 9in Twin Sprung Ceramic XKSU23531-2B XClutch 15-21 Subaru WRX STi Base 2.5L 9in Twin Sprung Ceramic Clutch Kit $1,771.06 SALE VIEW PRICE IN CART Details
IN STOCK XCLUTCH Clutch - 10.5in Twin Sprung Organic XKSU23531-2A XClutch 15-21 Subaru WRX STi Base 2.5L 10.5in Twin Sprung Organic Clutch Kit $1,556.69 SALE VIEW PRICE IN CART Details
IN STOCK - LOW XCLUTCH Clutch - 8in Twin Sprung Ceramic XKSU20521-2B XClutch 15-21 Subaru WRX STi Base 2.5L 8in Twin Sprung Ceramic Clutch Kit $2,207.11 SALE VIEW PRICE IN CART Details
IN STOCK XCLUTCH Flywheel - Chromoly XFSU003C XClutch 13-21 Subaru WRX STi Type RA 2.5L Chromoly Flywheel $398.68 SALE VIEW PRICE IN CART Details
IN STOCK XCLUTCH Clutch - Stage 2 Cushioned Ceramic XKSU24001-1C XClutch 15-21 Subaru WRX STi Base 2.5L Stage 2 Cushioned Ceramic Clutch Kit $689.03 SALE VIEW PRICE IN CART Details
IN STOCK XCLUTCH Clutch - Stage 2 Sprung Ceramic XKSU24001-1B XClutch 15-21 Subaru WRX STi Base 2.5L Stage 2 Sprung Ceramic Clutch Kit $653.30 SALE VIEW PRICE IN CART Details
IN STOCK - LOW XCLUTCH Clutch - Stage 1 Extra HD Sprung Organic XKSU24001-1AX XClutch 15-21 Subaru WRX STi Base 2.5L Stage 1 Extra HD Sprung Organic Clutch Kit $658.40 SALE VIEW PRICE IN CART Details
IN STOCK XCLUTCH Clutch - 9in Twin Solid Organic XKSU23531-2G XClutch 15-21 Subaru WRX STi Base 2.5L 9in Twin Solid Organic Clutch Kit $1,414.80 SALE VIEW PRICE IN CART Details

Popular Subaru WRX STI Aftermarket Drivetrain Parts:

IN STOCK ACT HD-M/P Street Clutch Kits SB10-HDSS ACT 2006 Subaru Impreza HD-M/Perf Street Sprung Clutch Kit (6 SPD) $737.00 Details
IN STOCK Competition Clutch Stage 2 Clutch Kits 15030-2100 Competition Clutch 04-20 Subaru WRX STi 2.5L Turbo 6 Speed Stage 2 - Steelback Brass Plus Clutch Kit $408.63 SALE Details
IN STOCK ACT X Streetlite Flywheels 600235 ACT 2004 Subaru Impreza XACT Flywheel Streetlite $422.00 Details
IN STOCK Whiteline Bushings - Differential KBR39 Whiteline 93-17 Subaru Impreza (Incl. WRX + STi) Pitch Stop Mount $88.45 SALE Details
IN STOCK Competition Clutch Stock Replacement Clutch Kits 15030-STOCK Competition Clutch 04-20 Subaru STi Stock Clutch Kit $352.61 SALE Details
IN STOCK ACT XT-M/P Street Clutch Kits SB10-XTSS ACT 2006 Subaru Impreza XT-M/Perf Street Sprung Clutch Kit $786.00 Details
IN STOCK ACT Release Bearings RB601 ACT 2002 Subaru Impreza Release Bearing $95.19 Details
IN STOCK ACT Mod-Twin Kits T1S-S05 ACT Subaru 04-20 WRX STI Mod Twin HD Street Kit Sprung Mono-Drive Hub Torque Capacity 700ft/lbs $1,748.00 Details
IN STOCK ACT Mod-Twin Kits T2S-S05 ACT Subaru 04-20 WRX STI Mod Twin XT Street Kit Sprung Mono-Drive Hub Torque Capacity 875ft/lbs $1,748.00 Details
IN STOCK Competition Clutch Stage 3 Clutch Kits 15030-2600 Competition Clutch 04-20 Subaru STi Stage 3 - Segmented Ceramic Clutch Kit $460.91 SALE Details