Collection: Subaru WRX/STI 15-21'
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SuperPro Sway Bar Stabilizer Arms | 2008-2021 Subaru WRX / STI (TRC1005)
Regular price $70.81 USDRegular priceUnit price / per$85.99 USDSale price $70.81 USDSale -
SuperPro Roll Control Roll Center Kit | 2002+ Subaru WRX and 2004-2021 Subaru WRX STI (TRC0002)
Regular price $247.99 USDRegular priceUnit price / per$309.99 USDSale price $247.99 USDSale -
SuperPro Rear Sway Bar Bushing - 22mm | 2007-2014 Subaru Forester / Impreza (SPF3108-22K)
Regular price $26.81 USDRegular priceUnit price / per$37.99 USDSale price $26.81 USDSale -
SuperPro Front Gearbox Cross Member Isolator Mount Bushings | Multiple Subaru Fitments (SPF3199K)
Regular price $54.34 USDRegular priceUnit price / per$76.99 USDSale price $54.34 USDSale -
SuperPro Front and Rear Performance Sway Bar Upgrade Kit | 2015-2019 Subaru WRX (RCWRX050KIT)
Regular price $777.77 USDRegular priceUnit price / per$999.99 USDSale price $777.77 USDSale -
SPC Perf Rear LCA Bushing | Subaru Outback & Legacy (00-09) (16210)
Regular price $19.08 USDRegular priceUnit price / per$22.96 USDSale price $19.08 USDSale -
Whiteline Servicing Kit for KCA313 - W0907
Regular price $27.80 USDRegular priceUnit price / per$39.88 USDSale price $27.80 USDSale -
Seibon OEM Carbon Fiber Front Grille | 2015-2017 Subaru WRX (FG15SBIMP)
Regular price $433.33 USDRegular priceUnit price / per$600.00 USDSale price $433.33 USDSale -
Seibon CS-Style Carbon Fiber Hood | 2015-2019 Subaru WRX/STI (HD15SBIMP-CS)
Regular price $1,218.75 USDRegular priceUnit price / per$1,500.00 USDSale price $1,218.75 USDSale -
Seibon Carbon Fiber Trunk Garnish | 2015-2019 Subaru WRX/STI (RG15SBIMP)
Regular price $222.86 USDRegular priceUnit price / per$300.00 USDSale price $222.86 USDSale -
Seibon Carbon Fiber Rear Spoiler - GT Style | 2015-2018 Subaru WRX / STI (RS15SBIMP-GT)
Regular price $1,083.33 USDRegular priceUnit price / per$1,500.00 USDSale price $1,083.33 USDSale -
Seibon Carbon Fiber Front Grille | 2018-2019 Subaru WRX/STI (FG18SBIMP)
Regular price $505.56 USDRegular priceUnit price / per$700.00 USDSale price $505.56 USDSale -
Seibon Carbon Fiber Fender Caps | 2008-2014 Subaru STI / 2011-2014 WRX (FFC0809SBIMP)
Regular price $505.56 USDRegular priceUnit price / per$700.00 USDSale price $505.56 USDSale -
Power Stop Z26 Street Warrior Brake Kit - Rear | 2015-2021 Subaru WRX (K6977-26)
Regular price $277.12 USDRegular priceUnit price / per$399.08 USDSale price $277.12 USDSale -
Power Stop Track Day Spec Brake Kit - Rear | 2008-2017 Subaru STI (TDSK5305)
Regular price $215.24 USDRegular priceUnit price / per$217.73 USDSale price $215.24 USDSale -
Power Stop Track Day Brake Kit - Rear | 2015-2021 Subaru WRX (TDBK6977)
Regular price $194.38 USDRegular priceUnit price / per$196.62 USDSale price $194.38 USDSale -
Power Stop Track Day Brake Kit - Rear | 2008-2017 Subaru STI (TDBK5305)
Regular price $224.89 USDRegular priceUnit price / per$323.86 USDSale price $224.89 USDSale -
Power Stop Track Day Brake Kit - Front | 2005-2017 Subaru STI (TDBK131)
Regular price $312.47 USDRegular priceUnit price / per$449.99 USDSale price $312.47 USDSale -
Power Stop Autospecialty Brake Kit - Rear | 2015-2021 Subaru WRX (KOE6977)
Regular price $140.46 USDRegular priceUnit price / per$142.08 USDSale price $140.46 USDSale -
Power Stop Autospecialty Brake Kit - Rear | 2008-2017 Subaru STI (KOE5305)
Regular price $154.22 USDRegular priceUnit price / per$156.00 USDSale price $154.22 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.



