GMC K15 Exhaust Mufflers

Your One-Stop Shop For Trusted GMC K15 Exhaust Mufflers

If you’re in search of GMC K15 Exhaust Mufflers aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 3 Exhaust Mufflers from top brands with prices ranging from $62.99 to $149.99.

Beyond great prices, we stock trusted brands manufacturing all types of Exhaust Mufflers for your GMC K15.

And don’t forget to read customer reviews across all Exhaust Mufflers categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Exhaust Mufflers have to cost top dollar, and we prove it. Browse our top GMC K15 Exhaust Mufflers below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential GMC K15 Exhaust Mufflers

Flowmaster Inc. – Super 40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.952448)

Super 40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound

from

$149.99
The Super 40 features Flowmaster’s Delta Flow technology. It’s larger case profile provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow technology. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More
View Product

Walker – SoundFX Universal Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD) (Part No.17831)

SoundFX Universal Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD)

from

$86.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX universal mufflers deliver quality appearance and favorable acoustics while mechanical interior joints and spun-locked heads provide durability.

Product Features:
  • RESISTS CORROSION – Aluminized steel construction and internal drainage system helps reduce corrosion
  • BUILT TO LAST – Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • FLEXIBLE SOLUTION – Customizable design features expandable bushings for easy fitment and may require specialized fabrication and welding for installation
  • FACTORY SOUND – Louvered tubes help reduce radiated noise for factory-style sound quality compared to straight perforated tubes
  • GET MORE MILES FROM YOUR MUFFLER – Designed and tested to extend muffler life
See More
View Product

Walker – Quiet-Flow Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD) (Part No.21784)

Quiet-Flow Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD)

from

$62.99
Product Features:
  • EASY TO INSTALL – Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and welding
  • RESISTS CORROSION – Internal drainage system helps reduce moisture collection
  • BUILT TO LAST – Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
  • PREMIUM ACOUSTIC CONTROL – OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
  • DESIGN VALIDATED – Acoustic and flow tested for quality OE-style sound you can count on
  • BUY WITH CONFIDENCE – Comes with Walker’s limited warranty and exclusive 90-Day Safe and Sound Guarantee. Visit Walkerexhaust.com for details.
See More
View Product

Exhaust Mufflers Brands You Can Trust For Your GMC K15

2 trusted brands of Exhaust Mufflers line our shelves, ready to help keep your GMC K15 running smooth. Below are some of the most popular brands and their top Exhaust Mufflers offerings:

Most Purchased GMC K15 Exhaust Mufflers from Walker

When you buy the most frequently purchased Walker brand Exhaust Mufflers, you can be confident it will be the right part for your GMC K15. Here are the Walker Exhaust Mufflers Advanced Auto customers buy the most:
Quiet-Flow Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD)
from $62.99
This product is not rated
Quiet-Flow Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD)
Mufflers
Super 40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound
from $149.99
This product is not rated
Super 40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound
Mufflers
SoundFX Universal Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD)
from $86.99
This product is not rated
SoundFX Universal Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD)
Mufflers

FAQs for GMC K15 Exhaust Mufflers

What are the most purchased Exhaust Mufflers for the GMC K15?

Out of 3 Exhaust Mufflers for the GMC K15, the most popular in our inventory are:
Quiet-Flow Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD)
from $62.99
This product is not rated
Quiet-Flow Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD)
Mufflers
Super 40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound
from $149.99
This product is not rated
Super 40 Series Muffler, 2.25in Offset Inlet 2.25in Offset Outlet, Non-Reversible, Aggressive Sound
Mufflers
SoundFX Universal Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD)
from $86.99
This product is not rated
SoundFX Universal Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD)
Mufflers

More Popular Parts for All Makes