2021 Subaru WRX Exhaust Upgrade Parts
30 parts verified to fit your 2021 Subaru WRX for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Cat-Back Exhaust
(16)primary
aFe
aFe Subaru WRX/STi 15-21 H4-2.0/2.5L Takeda 3in to 2-1/2in Stainless Cat-Back Exhaust Crbn Fiber Tip
$1461.00
AWE Tuning
AWE Tuning Subaru WRX/STI VA/GV Sedan Track Edition Exhaust - Diamond Black Tips (102mm)
$1248.00
AWE Tuning
AWE Tuning Subaru WRX/STI VA/GV Sedan Track Edition Exhaust - Chrome Silver Tips (102mm)
$1197.48
AWE Tuning
AWE Tuning 2015+ Subaru WRX VA Sedan Touring Edition Exhaust - Chrome Silver Tips (102mm)
$1561.27
Borla
Borla 15-16 Subaru WRX / STI 2.5L S-Type Cat-Back Exhaust Quad Rd RL Tips
$1799.99
AWE Tuning
AWE Tuning 2015+ Subaru WRX VA Sedan Touring Edition Exhaust - Diamond Black Tips (102mm)
$1616.84
AWE Tuning
AWE Tuning 2015+ Subaru WRX (VA) Track-to-Touring Conversion Kit
$727.58
Mishimoto
Mishimoto 2015 Subaru WRX 3in Stainless Steel Cat-Back Exhaust
$1358.80
Mufflers
(14)primary
Fel-Pro
Fel-Pro Subaru WRX 61867 Exhaust Pipe Flange Gasket
$9.72
Victor Reinz
MAHLE Original Subaru Forester 13-08 Catalytic Converter Gasket
$10.76
Fel-Pro
Fel-Pro 15-21 Subaru WRX/13-21 WRX STI/17-20 Toyota 86 Exhaust Pipe Flange Gasket
$6.60
Fel-Pro
Fel-Pro 15-21 Subaru WRX/13-21 WRX STI/13-20 BRZ Exhaust Pipe Flange Gasket
$14.58
Magnaflow
Magnaflow OEM Grade Direct Fit Converter 15-19 Subaru WRX H4 2.0L
$839.00
Fel-Pro
Fel-Pro 15-21 Subaru WRX/13-21 WRX STI/13-20 BRZ/1720 Toyota 86 Exhaust Pipe Flange Gasket
$8.68
Turbo XS
Turbo XS Subaru FA20 3 Layer SS Turbine Outlet Gasket
$23.92
Magnaflow
MagnaFlow Conv Universal 2.50 OEM
$194.00
Exhaust Upgrade for Other Subaru WRX Years
Other Jobs for Your 2021 Subaru WRX
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2021 Subaru WRX?
A complete exhaust upgrade on the 2021 Subaru WRX typically requires cat-back exhaust, mufflers. All parts shown on this page are verified to fit your specific vehicle.
How long does a exhaust upgrade take on a 2021 Subaru WRX?
A exhaust upgrade typically takes 2-5 hours and is rated as moderate difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a exhaust upgrade myself?
A exhaust upgrade is a moderate DIY project. If you have some mechanical experience and the right tools, you can handle it. Otherwise, consider having a professional do the work.
Are these parts guaranteed to fit my 2021 Subaru WRX?
Yes, all parts on this page are verified to fit the 2021 Subaru WRX using VCDB fitment data from manufacturers. Our fitment information is cross-referenced with industry-standard vehicle databases to ensure accuracy.
What brands make exhaust upgrade parts for the 2021 Subaru WRX?
We carry exhaust upgrade parts from trusted brands including aFe, AWE Tuning, Borla, Mishimoto, and Injen. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2021 Subaru WRX?
The cost of a exhaust upgrade for the 2021 Subaru WRX depends on the parts and brands you choose. Browse the parts on this page to see current pricing. Doing the work yourself saves significantly on labor costs.