Subaru WRX STI 2015–2021 Parts & Accessories

51 parts listed as fitting the 2015–2021 Subaru WRX STI. Its three deepest categories: engine and driveline (22), suspension and lift (11), exhaust and performance (11) — out of 7 in total. The brands carrying the most parts for this vehicle are Advanced Clutch, MBRP and Bilstein. This page covers the 2015–2021 years only — other years of the Subaru WRX STI are on the model page. Fitment is listed by year, make and model — confirm your exact configuration before ordering.

Browse every part that fits
ACT Clutch Pilot Bearing (PB1004)Advanced Clutch Advanced Clutch ACT Clutch Pilot Bearing (PB1004) $19.99 Suspension Shock Absorber (24-249485)Bilstein Bilstein B6 Performance Suspension Shock Absorber — Rear, for select Subaru vehicles (24-249485) $266.90 Cat-Back Exhaust System - S-Type (140595)Borla Borla Cat-Back Exhaust System - S-Type — 2015-2021 Subaru WRX $2,789.18 Squadron-R SAE Fog Pocket Kit - '14-17 Fiesta ST; '13-14 Focus ST; '13-16 Fusion; '15-17 Mustang; '15-16 Trans (447725)Baja Designs Baja Designs Squadron-R SAE Fog Pocket Kit - '14-17 Fiesta ST - '13-14 Focus ST - '13-16 Fusion - '15-17 Mustang - '15-16 Trans (447725) $590.99 MAYHEM WARRIOR 8015 MATTE BLACK 17X7.5 5-108/5-114.3 40MM 72.62MM 8015-7714MBMayhem Mayhem Warrior 8015 Matte Black 17X7.5 5-108/5-114.3 40MM 72.62MM 8015-7714MB $362.99 Weatherbeater - Front & 2nd Seat Floor LinersHusky Liners Husky Liners Floor Liners — 2012-2016 Subaru Impreza $195.99 Sway Bar Kit (7728320)Eibach Eibach Sway Bar Kit — 2015-2021 Subaru WRX STI (7728320) $824.99 Suspension Kit (46-264305)Bilstein Bilstein B12 (Pro-Kit) Suspension Kit — Front and Rear, 2015-2021 Subaru WRX STI (46-264305) $2,245.99 ACT Clutch Release Bearing (RB601)Advanced Clutch Advanced Clutch ACT Clutch Release Bearing (RB601) $160.83 Suspension Shock Absorber (24-249508)Bilstein Bilstein B8 Performance Plus Suspension Shock Absorber — Rear, for select Subaru vehicles (24-249508) $282.71 Cat-Back Exhaust System - S-Type (140595CB)Borla Borla Cat-Back Exhaust System - S-Type — 2015-2021 Subaru WRX $3,021.61 Squadron-R SAE Fog Pocket Kit - '14-17 Fiesta ST; '13-14 Focus ST; '13-16 Fusion; '15-17 Mustang; '15-16 Trans (447724)Baja Designs Baja Designs Squadron-R SAE Fog Pocket Kit - '14-17 Fiesta ST - '13-14 Focus ST - '13-16 Fusion - '15-17 Mustang - '15-16 Trans (447724) $594.85 Suspension Kit (48-249546)Bilstein Bilstein B16 (PSS10) Suspension Kit — Front and Rear, for select Subaru vehicles (48-249546) $5,252.99 ACT Heavy Duty Clutch Pressure Plate (SB019)Advanced Clutch Advanced Clutch ACT Heavy Duty Clutch Pressure Plate (SB019) $773.99 Suspension Strut Assembly (35-249467)Bilstein Bilstein B6 Performance Suspension Strut Assembly — Front Left, for select Subaru vehicles (35-249467) $553.99 3in. Cat-Back. Dual Split Rear Exit. Street Version. T304MBRP MBRP 3in. Cat-Back. Dual Split Rear Exit. Street Version. T304 (S4800304) $1,446.99 Pro-Plus Kit (7728880)Eibach Eibach Pro-Plus Kit Coil Spring Lowering Kit / Stabilizer Bar Kit — 2015-2021 Subaru WRX STI (7728880) $1,540.99 ACT Extreme Clutch Pressure Plate (SB019X)Advanced Clutch Advanced Clutch ACT Extreme Clutch Pressure Plate (SB019X) $832.11 Suspension Strut Assembly (35-249474)Bilstein Bilstein B6 Performance Suspension Strut Assembly — Front Right, for select Subaru vehicles (35-249474) $553.99 3in. Cat-Back. Dual Split Rear Exit. Street Version. T304. CF TipsMBRP MBRP 3in. Cat-Back. Dual Split Rear Exit. Street Version. T304. CF Tips $1,578.99 OnX6+ 20 Inch Grille Kit - '18-21 WRX/WRX STI (Driving/Combo; Clear)Baja Designs Baja Designs OnX6+ 20 Inch Grille Kit - '18-21 WRX/WRX STI (Driving/Combo - Clear) $1,337.80 ACT Heavy Duty Race Sprung 4 Pad Clutch Kit with Monoloc (SB10-HDG4)Advanced Clutch Advanced Clutch ACT Heavy Duty Race Sprung 4 Pad Clutch Kit with Monoloc (SB10-HDG4) $1,220.57 Suspension Strut Assembly (35-249498)Bilstein Bilstein B8 Performance Plus Suspension Strut Assembly — Front Left, for select Subaru vehicles (35-249498) $563.99 2.5in. Axle-Back. Dual Split Rear Exit. T304MBRP MBRP 2.5in. Axle-Back. Dual Split Rear Exit. T304 $557.99
Check fitment before you order. Fit can depend on trim, configuration and factory options. If you are unsure, contact us — and if fitment we published turns out to be wrong, we cover the return.