More Subaru STi 2015-2021 parts:
All Subaru STi 2015-2021 parts | Brakes | Drivetrain | Engine | Tuning | Exterior | Intake | Interior | Lighting | Suspension | Turbo | Cooling | Wheels | Fuel | Fluids | Wheel Accessories | WheelSpacers | Electronics
Shop exhaust systems for the Subaru WRX STI 2015-2021 (VA chassis). The VA STI's EJ257 2.5-litre turbocharged flat-four is a sedan-only application, and Subaru itself used exhaust flow for power on its special editions: the 2018 Type RA gained power partly via a high-flow performance exhaust. You will find cat-back and axle-back systems, downpipes, headers, mufflers here — every part in this collection is fitment-tagged for the Subaru WRX STI 2015-2021 (VA chassis), so check your year against the product fitment notes before ordering.
What exhaust systems fit my Subaru WRX STI 2015-2021 (VA chassis)?
Every exhaust part in this collection is fitment-tagged for the VA-chassis WRX STI sedan (2015-2021) with the EJ257 engine — there was no VA hatchback. Confirm your year and edition, including Type RA or S209, on the product page before ordering.
Can an exhaust actually add power on the VA STI?
Subaru's own special editions say the exhaust path matters: the Type RA gained power partly via a high-flow performance exhaust, and the S209's high-performance mufflers claim 17% less airflow resistance with 101 mm tips. Match any system to your year and check the product page for tuning requirements.
Where can I find other parts for my Subaru STi 2015-2021?
Start with the full Subaru STi 2015-2021 collection linked at the top of this page, or jump straight to a category — Brakes, Drivetrain, Engine, Tuning, Exterior, Intake and more are all linked above, and every one of them is scoped to the Subaru STi 2015-2021 only.