Collection: Subaru WRX/STI 15-21'
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Competition Clutch Stage 4 Sprung 1620 Series Clutch Kit | 2004-2016 Subaru STI (15030-1620)
Regular price $576.47 USDRegular priceUnit price / per$700.00 USDSale price $576.47 USDSale -
Cusco Front Power Brace | 2015+ Subaru WRX/STI (6A1 492 FS)
Regular price $232.00 USDRegular priceUnit price / per$290.00 USDSale price $232.00 USDSale -
Cusco Front Sway Bar | 2015-2021 Subaru STI (6A1 311 A26)
Regular price $352.00 USDRegular priceUnit price / per$440.00 USDSale price $352.00 USDSale -
Cusco Rear Member Power Brace | 2015-2018 Subaru WRX / STi (6A1 492 RM)
Regular price $232.00 USDRegular priceUnit price / per$290.00 USDSale price $232.00 USDSale -
Cusco Rear Sway Bar | 2015-2018 Subaru WRX / STi (6A1 311 B22)
Regular price $280.00 USDRegular priceUnit price / per$350.00 USDSale price $280.00 USDSale -
Cusco Rear Sway Bar Brace | 2015-2018 Subaru WRX / STi (6A1 492 RL)
Regular price $196.00 USDRegular priceUnit price / per$245.00 USDSale price $196.00 USDSale -
Exedy Hyper Multi Flywheel Ring Bolt Set | Multiple Fitments (BS01)
Regular price $49.33 USDRegular priceUnit price / per$67.83 USDSale price $49.33 USDSale -
Clutch Masters FX250 Clutch Kit | 2015-2017 Subaru WRX (15020-HD0F)
Regular price $600.00 USDRegular priceUnit price / per$750.00 USDSale price $600.00 USDSale -
SuperPro Camber Adj Inner Bushing Kit | Subaru WRX/STI, BRZ, 86, GR86 (08-24) (SPF3101K)
Regular price $148.22 USDRegular priceUnit price / per$209.99 USDSale price $148.22 USDSale -
SuperPro 3 way Adjustable Rear Sway Bars - 24mm | 2015+ Subaru WRX/STI (RC0013RZ-24mm)
Regular price $311.99 USDRegular priceUnit price / per$389.99 USDSale price $311.99 USDSale -
3D MAXpider Heavy Duty All Weather Floor Mats | 2012 - 2019 Subaru Models (L1SB00821509)
Regular price $68.24 USDRegular priceUnit price / per$83.94 USDSale price $68.24 USDSale -
ACT 6-Pad Sprung Racing Clutch Disc | Multiple Subaru Fitments (6228218)
Regular price $232.00 USDRegular priceUnit price / per$287.00 USDSale price $232.00 USDSale -
ACT Heavy Duty Race Sprung 6 Puck Disc Clutch Kit | Subaru WRX (06-21) (SB5-HDG6)
Regular price $1,001.00 USDRegular priceUnit price / per$1,236.00 USDSale price $1,001.00 USDSale -
ACT Heavy Duty Pressure Plate | Multiple Subaru Fitments (SB020)
Regular price $514.00 USDRegular priceUnit price / per$634.00 USDSale price $514.00 USDSale -
ACT Performance Street Sprung Clutch Disc | Subaru WRX (02-18) (3000502)
Regular price $179.00 USDRegular priceUnit price / per$221.00 USDSale price $179.00 USDSale -
ACT XACT Streetlite Clutch Flywheel | Multiple Subaru Fitments (600890)
Regular price $384.00 USDRegular priceUnit price / per$474.00 USDSale price $384.00 USDSale -
ACT Extreme Race Sprung 6 Pad Clutch Kit | Subaru STI (04-21) (SB10-XTG6)
Regular price $903.00 USDRegular priceUnit price / per$1,115.00 USDSale price $903.00 USDSale -
AEM Cold Air Intake | 2018 Subaru WRX STI 2.5L (21-836WR)
Regular price $316.73 USDRegular priceUnit price / per$349.99 USDSale price $316.73 USDSale -
AEM Cold Air Intake | Induction 2019 Subaru WRX STI 2.5L (21-863WR)
Regular price $380.07 USDRegular priceUnit price / per$419.99 USDSale price $380.07 USDSale -
Air Lift Performance Air Suspension Rear Drop Kit | 2015+ Subaru WRX / STI (78641)
Regular price $1,070.99 USDRegular priceUnit price / per$1,070.99 USDSale price $1,070.99 USD
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.










