Choose your trim in My Garage to confirm exact fit.


BLOX Racing
Part # BXFL-50030
$9.60

Magnaflow
Part # 52621
$582.00

Torque Solution
Part # TS-SU-480
$54.75

Torque Solution
Part # TS-SU-479
$54.75

Fel-Pro
Part # 61106
$12.51

Magnaflow
Part # 51206
$211.00

Mishimoto
Part # MMEXH-ADAP-SDAE
$66.51

Turbo XS
Part # GTI-FA20
$20.34

Turbo XS
Part # GTO-FA20
$23.92

Fel-Pro
Part # 60902
$7.83

Fel-Pro
Part # 60992
$6.28

Fel-Pro
Part # 61867
$8.33

BLOX Racing
Part # BXFL-50022
$26.73

Victor Reinz
Part # F32091
$23.50

Victor Reinz
Part # F31662
$27.76

BLOX Racing
Part # BXFL-50021
$26.73

Magnaflow
Part # 21-822
$913.00

Fel-Pro
Part # 61837
$8.68
All 18 products shown
This page groups parts listed for the 2018 Subaru WRX. Some products fit every trim, while others depend on submodel, engine, drivetrain, or brake package. Use your trim in My Garage or the product page fitment check to confirm exact fit.
We offer a wide selection of mufflers & resonators parts for the 2018 Subaru WRX. This page narrows the catalog to the year, make, and model; use your trim on product pages to confirm exact fit when a part only fits certain submodels.
We carry parts from trusted brands including Fel-Pro, BLOX Racing, Magnaflow, Torque Solution, and Turbo XS, plus many more. Filter by brand to find your preferred manufacturer.
Most in-stock items ship within 1-2 business days. Shipping rates are calculated at checkout based on your location.
Warranty coverage varies by manufacturer but typically ranges from 1 year to lifetime. Each product page includes specific warranty information from the manufacturer.