2015 Subaru WRX STI Exhaust Upgrade Parts
74 parts verified to fit your 2015 Subaru WRX STI for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Cat-Back Exhaust
(35)primary
AWE Tuning
AWE Tuning Subaru WRX/STI VA/GV Sedan Track Edition Exhaust - Diamond Black Tips (102mm)
$1248.00
AWE Tuning
AWE Tuning 2011+ Subaru STI (GV/VA) Track-to-Touring Conversion Kit
$727.58
GReddy
GReddy 15+ Subaru WRX/STi Revolution RS Exhaust
$614.40
Invidia
Invidia 15+ Subaru WRX/STI Single Q300 Rolled Stainless Steel Tip Cat-back Exhaust
$1194.19
GReddy
GReddy 2015 Subaru STI/WRX Sedan Supreme SP Exhaust
$1223.68
AWE Tuning
AWE Tuning Subaru STI VA / WRX GV / STI GV Sedan Touring Edition Exhaust - Diamond Black Tip (102mm)
$1616.84
AWE Tuning
AWE Tuning Subaru WRX/STI VA/GV Sedan Track Edition Exhaust - Chrome Silver Tips (102mm)
$1197.48
CORSA Performance
Corsa 2015-2021 Subaru WRX Cat Back Exhaust Black Quad 3.5in Tips *Sport*
$2194.43
Headers
(3)primary
Mufflers
(36)primary
Turbo XS
Turbo XS Subaru WRX/STI OEM Downpipe to 3in Cat-Back Adapter w/Standard Exhaust Gasket
$32.09
Turbo XS
Turbo XS Subaru WRX/STi 3in Downpipe to OEM Cat-Back Adapter w/Standard Exhaust Gasket
$46.90
Torque Solution
Torque Solution Subaru Stock Downpipe to 3in Aftermarket 3in Catback Exhaust Adapter
$54.75
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
BLOX Racing
BLOX Racing MLS Exhaust Turbo to Downpipe Gasket - 6 Layers - Subaru EJ20/EJ25
$12.80
Fel-Pro
Fel-Pro 15-21 Subaru WRX/13-21 WRX STI/13-20 BRZ Exhaust Pipe Flange Gasket
$14.58
BLOX Racing
BLOX Racing 2002-UP SUBARU WRX STI 3inch Reducer for Borla Hush system
$46.40
Exhaust Upgrade for Other Subaru WRX STI Years
Other Jobs for Your 2015 Subaru WRX STI
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2015 Subaru WRX STI?
A complete exhaust upgrade on the 2015 Subaru WRX STI typically requires cat-back exhaust, headers, mufflers. All parts shown on this page are verified to fit your specific vehicle.
How long does a exhaust upgrade take on a 2015 Subaru WRX STI?
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 2015 Subaru WRX STI?
Yes, all parts on this page are verified to fit the 2015 Subaru WRX STI 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 2015 Subaru WRX STI?
We carry exhaust upgrade parts from trusted brands including AWE Tuning, GReddy, Invidia, CORSA Performance, and Borla. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2015 Subaru WRX STI?
The cost of a exhaust upgrade for the 2015 Subaru WRX STI 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.