Collection: Subaru WRX/STI 15-21'
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XClutch Twin Solid Ceramic Clutch Kit | Subaru WRX STI/Legacy/Impreza (02-21) (XKSU20521-2E)
Regular price $1,668.88 USDRegular priceUnit price / per$2,145.70 USDSale price $1,668.88 USDSale -
XClutch Twin Solid Ceramic Clutch Kit | Subaru WRX STI/Legacy/Impreza (02-21) (XKSU23531-2E)
Regular price $1,502.63 USDRegular priceUnit price / per$1,931.96 USDSale price $1,502.63 USDSale -
XClutch Twin Solid Ceramic Clutch Kit | Subaru WRX STI/Legacy/Impreza (02-21) (XKSU18521-2E)
Regular price $2,013.11 USDRegular priceUnit price / per$2,588.29 USDSale price $2,013.11 USDSale -
XClutch Stage 2R Ceramic Race Disc Clutch Kit | Subaru WRX STI/Legacy GT (XKSU24001-1R)
Regular price $801.41 USDRegular priceUnit price / per$1,030.38 USDSale price $801.41 USDSale -
XClutch Stage 2 Ceramic Clutch Kit | Subaru WRX/Legacy/ Saab 9-2X (XKSU23015-1B)
Regular price $702.66 USDRegular priceUnit price / per$903.41 USDSale price $702.66 USDSale -
XClutch Stage 1X Organic Sprung Clutch | Subaru WRX STI, Legacy GT (02-21) (XKSU24001-1AX)
Regular price $615.37 USDRegular priceUnit price / per$791.19 USDSale price $615.37 USDSale -
XClutch Stage 1 Organic Clutch Kit | Subaru WRX, Legacy, Saab 9-2X (XKSU23015-1A)
Regular price $546.97 USDRegular priceUnit price / per$703.24 USDSale price $546.97 USDSale -
XClutch Stage 1 D&S Organic Clutch Kit | Subaru WRX STI/Legacy (XKSU24001-1A)
Regular price $567.67 USDRegular priceUnit price / per$729.86 USDSale price $567.67 USDSale -
Whiteline Trailing Arm Rear Bushing | 2013-2020 Subaru BRZ/Scion FRS/Toyota GT86 (W63582)
Regular price $36.86 USDRegular priceUnit price / per$52.88 USDSale price $36.86 USDSale -
Whiteline Strut Mount Assembly - Offset | 2008+ Subaru WRX/STI (KCA409)
Regular price $173.27 USDRegular priceUnit price / per$255.88 USDSale price $173.27 USDSale -
Whiteline Rear Differential Mount Front Bushing (Subaru WRX / STi 08+)
Regular price $50.11 USDRegular priceUnit price / per$71.88 USDSale price $50.11 USDSale -
Whiteline Lower Control Arm | Subaru WRX, STI, BRZ (KTA216A)
Regular price $242.33 USDRegular priceUnit price / per$357.88 USDSale price $242.33 USDSale -
Whiteline Gearbox Selector Bushing Kit | 2004-2020 Subaru STI (KDT958)
Regular price $31.28 USDRegular priceUnit price / per$44.88 USDSale price $31.28 USDSale -
Whiteline Gearbox - Mount Bushing | Multiple Fitments (KDT956)
Regular price $31.98 USDRegular priceUnit price / per$45.88 USDSale price $31.98 USDSale -
Whiteline Front Roll Center Adjustment Ball Joints | Subaru WRX/STI (KCA313-BJ)
Regular price $105.87 USDRegular priceUnit price / per$151.88 USDSale price $105.87 USDSale -
Whiteline 26mm Heavy Duty Adjustable Sway Bar | 2015-2019 Subaru STI (BSF48Z)
Regular price $216.61 USDRegular priceUnit price / per$319.88 USDSale price $216.61 USDSale -
Torque Solution Steering Rack Brace | 2008-2021 Subaru WRX/STI (TS-SU-388)
Regular price $53.33 USDRegular priceUnit price / per$66.65 USDSale price $53.33 USDSale -
Torque Solution Shifter Bushings | 2004-2014 Subaru WRX STI (TS-SU-006)
Regular price $24.88 USDRegular priceUnit price / per$31.10 USDSale price $24.88 USDSale -

Torque Solution F&R Control Arms | Subaru Impreza/Forester/Legacy/Outback (08-23) (TS-SU-465)
Regular price $577.77 USDRegular priceUnit price / per$722.21 USDSale price $577.77 USDSale -
Torque Solution Urethane Engine Mounts | Subaru WRX STI 04-18 (TS-SU-200-RP-UR)
Regular price $7.99 USDRegular priceUnit price / per$9.99 USDSale price $7.99 USDSale
Upgrade Your Subaru WRX/STI 2015-2021 with Performance Parts & Accessories
This collection is tailored specifically for Subaru WRX and STI models from 2015 to 2021, offering a range of aftermarket parts designed to enhance your car’s performance, handling, and style. Whether you want to sharpen your driving experience or customize your vehicle’s look, these components fit your WRX/STI with confidence.
Which performance upgrades make the biggest difference for WRX/STI handling?
Improving handling on your WRX/STI starts with suspension and brake upgrades that enhance control and responsiveness. Upgrading coilovers or sway bars can reduce body roll and improve cornering precision, while performance brake kits provide stronger, more consistent stopping power under aggressive driving conditions.
- Adjustable coilovers for customizable ride height and damping
- Upgraded sway bars to reduce chassis flex
- Big brake kits with larger rotors and multi-piston calipers
- High-performance brake pads for improved bite and fade resistance
How do engine and drivetrain parts boost your WRX/STI’s performance?
Aftermarket engine and drivetrain components can improve power delivery, reliability, and throttle response. Popular upgrades include enhanced intake and exhaust systems, upgraded clutches, and stronger mounts that reduce drivetrain movement. These parts work together to optimize your WRX/STI’s performance without compromising daily drivability.
What exterior and interior accessories help customize your WRX/STI?
Personalizing your Subaru WRX/STI goes beyond performance with a variety of styling and comfort upgrades. From aerodynamic aero kits and lighting enhancements to upgraded shift knobs and steering wheels, these accessories let you tailor your vehicle’s appearance and driving feel. Shop the Subaru WRX/STI 15-21 collection at WheelFlip to find parts that fit perfectly and elevate your build.




