Question 1

What parts do I need for a exhaust upgrade on my 2015 Subaru WRX STI?

Accepted Answer

A complete exhaust upgrade on the 2015 Subaru WRX STI typically requires cat-back exhaust, headers, mufflers. This page groups parts commonly associated with that year, make, and model; confirm your trim on product pages for exact fit.

Question 2

How long does a exhaust upgrade take on a 2015 Subaru WRX STI?

Accepted Answer

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.

Question 3

Can I do a exhaust upgrade myself?

Accepted Answer

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.

Question 4

Are these parts guaranteed to fit my 2015 Subaru WRX STI?

Accepted Answer

These parts are listed for the 2015 Subaru WRX STI using manufacturer fitment data. Some products fit every trim, while others require trim confirmation. Use your trim in My Garage or the product page fitment checker to confirm exact fit.

Question 5

What brands make exhaust upgrade parts for the 2015 Subaru WRX STI?

Accepted Answer

We carry exhaust upgrade parts from trusted brands including aFe, AWE Tuning, Fel-Pro, Victor Reinz, and BLOX Racing. Filter by brand to find your preferred manufacturer.

Question 6

How much does a exhaust upgrade cost for a 2015 Subaru WRX STI?

Accepted Answer

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.

2015 Subaru WRX STI Exhaust Upgrade Parts

Cat-Back Exhaust

aFe Subaru WRX/STi 15-21 H4-2.0/2.5L Takeda 3in to 2-1/2in Stainless Cat-Back Exhaust Crbn Fiber Tip

aFe Subaru WRX/STi 15-21 H4-2.0/2.5L Takeda 3in to 2-1/2in Stainless Cat-Back Exhaust w/ Black Tip

aFe Subaru WRX/STi 15-21 H4-2.0/2.5L Takeda 3in to 2-1/2in Stnlss Cat-Back Exhaust w/ Blue Flame Tip

aFe Subaru WRX/STi 15-21 H4-2.0/2.5L Takeda 3in to 2-1/2in Stnlss Cat-Back Exhaust w/ Polished Tip

aFe Takeda 3in 304 SS Cat-Back Exhaust System 15-18 Subaru WRX/WRX STI H4-2.0/2.5L (t)

aFe Takeda 3in SS Exhaust Cat-Back 15-16 Subaru WRX/STI 2.0L/2.5L Polished Tips

AWE Tuning 2011+ Subaru STI (GV/VA) Track-to-Touring Conversion Kit

AWE Tuning 2015+ Subaru WRX (VA) / 2011+ Subaru STI (VA/GV) Touring-to-Track Conversion Kit

Headers

aFe Power Twisted Steel Long Tube Header 02-19 Subaru Impreza WRX/STI/Legacy (Unequal Length)

Fel-Pro 15-20 Subaru WRX/13-20 WRX STI/17-20 Toyota 86 Exhaust Manifold Gasket Set

MAHLE Original Subaru Baja 06-04 Exhaust Manifold Set

Mufflers

BLOX Racing 60mm Subaru FA20/FA20DIT/EJ20/EJ25 Exhaust Donut

BLOX Racing Cylinder Head to Exhaust Manifold MLS Gasket for Subaru EJ20/EJ25 (Pair)

BLOX Racing Exhaust Manifold to Crossover Pipe MLS Gasket for Subaru EJ20/EJ25 (Pair)

BLOX Racing Exhaust Manifold to Up-Pipe for Subaru EJ20/EJ25

BLOX Racing MLS Exhaust Turbo to Downpipe Gasket - 6 Layers - Subaru EJ20/EJ25

BLOX Racing Up-Pipe to Turbo MLS Gasket for Subaru EJ20/EJ25

Cometic Subaru EJ205/EJ255/EJ257 .030in MLS Exhaust Turbo Inlet Gasket

Cometic Subaru EJ205/EJ255/EJ257 .030in MLS Exhaust Turbo Outlet Gasket

Exhaust Upgrade for Other Subaru WRX STI Years

Other Jobs for Your 2015 Subaru WRX STI

Frequently Asked Questions