GMC K2500 Exhaust Mufflers

Your One-Stop Shop For Trusted GMC K2500 Exhaust Mufflers

If you’re in search of GMC K2500 Exhaust Mufflers aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 55 Exhaust Mufflers from top brands with prices ranging from $50.99 to $341.99.

Beyond great prices, we stock trusted brands manufacturing all types of Exhaust Mufflers for your GMC K2500.

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 K2500 Exhaust Mufflers below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential GMC K2500 Exhaust Mufflers

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 3" Inlet (ID) 2.25" Outlet (ID) (Part No.22719)

Quiet-Flow SS Direct Fit Exhaust Muffler 3" Inlet (ID) 2.25" Outlet (ID)

from

$138.99
Product Features:
  • CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • 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
  • 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.
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Flowmaster Inc. – 40 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.8042543)

40 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound

from

$132.99
The Original 40 series muffler delivers an aggressive exterior and interior tone. If you’re looking for that original Flowmaster sound this is the muffler is for you. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – 50 Series Muffler, 2.5in Center Inlet 2in Dual Offset Outlet, Non-Reversible, Moderate Sound (Part No.9425502)

50 Series Muffler, 2.5in Center Inlet 2in Dual Offset Outlet, Non-Reversible, Moderate Sound

from

$164.99
The three chamber design utilizes Flowmaster’s patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Walker – SoundFX Universal Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID) (Part No.18176)

SoundFX Universal  Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID)

from

$50.99
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/or 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
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Hooker Headers – Competition Turbo Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Mild Sound (Part No.21005HKR)

Competition Turbo Muffler, 2.25in Offset Inlet 2.25in Center Outlet, Non-Reversible, Mild Sound

from

$69.99
Competition Turbo Mufflers utilized a low back pressure baffle network designed to flow in either direction resulting in better performance and economy.

Product Features:
  • Low Backpressure Baffle Network
  • Compact Design
  • Improved Engine Efficiency
  • Better Performance And Economy
  • Throaty Sound On Acceleration
  • Quiet At Idle And Cruising
  • Double Wrapped Aluminized Steel
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Flowmaster Inc. – Super 50 Muffler, 2.5in Offset Inlet 2.5in Center Outlet, 17in long, Non-Reversible, Moderate Sound (Part No.852556)

Super 50 Muffler, 2.5in Offset Inlet 2.5in Center Outlet, 17in long, Non-Reversible, Moderate Sound

from

$219.99
The Super 50 series muffler is a larger version of Flowmaster’s 50 series Delta Flow muffler. Originally designed for trucks and SUV’s, it is also well suited to muscle car and high performance applications. In addition, the larger case size significantly reduces interior resonance and provides a deep, rich tone along with mileage and power gains. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

Product Features:
  • Mild to stock exterior exhaust tone
  • Minimal interior resonance
  • Excellent choice for large displacement vehicles
  • Improved horsepower, torque and potential mileage improvement
  • Race proven patented Delta Flow technology
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Walker – SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID) (Part No.18255)

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (ID)

from

$87.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit 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
  • EASY TO INSTALL – Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and welding
  • 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

Walker – SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (OD) (Part No.18191)

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

from

$83.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit 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
  • EASY TO INSTALL – Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and welding
  • 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

Walker – SoundFX Universal Exhaust Muffler 3" Inlet (ID) 2.25" Outlet (ID) (Part No.18133)

SoundFX Universal  Exhaust Muffler 3" Inlet (ID) 2.25" Outlet (ID)

from

$89.99
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/or 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

Flowmaster Inc. – Delta 40 Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.842543)

Delta 40 Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound

from

$164.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
See More

Flowmaster Inc. – 40 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.942543)

40 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Aggressive Sound

from

$149.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More

Walker – Sound Solution Exhaust Muffler (Part No.18750)

Sound Solution Exhaust Muffler

from

$64.99
Sound Solution mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability, And spun-locked heads for resistance to rupture from backfires. Sound Solution mufflers are available in a universal fitment style, with both quality appearance And favorable acoustics.
See More

Walker – SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID) (Part No.18344)

SoundFX Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2" Outlet (ID)

from

$107.99
Featuring 100% aluminized steel for longer service life compared to low-carbon steel, Walker SoundFX direct-fit 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
  • EASY TO INSTALL – Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation that doesn’t require specialized fabrication and welding
  • 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

Dynomax – Ultra Flo Exhaust Muffler: Universal Fit Stainless Steel, 20" L, 2.5" In, 2.5" Out, Oval (Part No.17234)

Ultra Flo Exhaust Muffler: Universal Fit Stainless Steel, 20" L, 2.5" In, 2.5" Out, Oval

from

$341.99
DynoMax Ultra Flo Welded performance stainless steel mufflers feature 100-percent welded construction for lifelong durability. The unrestricted, straight-through design dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower. Each muffler uses our exclusive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The ‘Pure Unadulterated POWER’ of DynoMax Ultra Flo Welded mufflers are backed by a Limited Warranty and limited Performance & Sound Guarantee.

Product Features:
  • Stainless steel construction for lifelong protection
  • 100% welded design for maximum durability
  • Straight through design ensures unrestricted exhaust flow and reduces back pressure
  • CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
  • Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower.
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BRExhaust – Exhaust Muffler (Part No.101-1176)

Exhaust Muffler

from

$76.99
This BRExhaust replacement exhaust is engineered based on the original OEM design to ensure reliability, durability and performance. The ease of installation will save you time and effort, getting you back out on the road sooner. Each muffler features thicker hangers for added strength and fully welded, perforated tubes to guarantee a long service life.
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Flowmaster Inc. – 50 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Moderate Sound (Part No.52558)

50 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Moderate Sound

from

$199.99
The Super 50 series muffler is a larger version of Flowmaster’s 50 series Delta Flow muffler. Originally designed for trucks and SUV’s, it is also well suited to muscle car and high performance applications. In addition, the larger case size significantly reduces interior resonance and provides a deep, rich tone along with mileage and power gains. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More

Flowmaster Inc. – Super 50 Muffler, 2.5in Dual Offset Inlet 3in Center Outlet, Non-Reversible, Moderate Sound (Part No.8524553)

Super 50 Muffler, 2.5in Dual Offset Inlet 3in Center Outlet, Non-Reversible, Moderate Sound

from

$219.99
The Super 50 series muffler is a larger version of Flowmaster’s 50 series Delta Flow muffler. Originally designed for trucks and SUV’s, it is also well suited to muscle car and high performance applications. In addition, the larger case size significantly reduces interior resonance and provides a deep, rich tone along with mileage and power gains. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

Product Features:
  • Mild to stock exterior exhaust tone
  • Minimal interior resonance
  • Excellent choice for large displacement vehicles
  • Improved horsepower, torque and potential mileage improvement
See More

Flowmaster Inc. – Delta 40 Muffler, 3in Center Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.8430402)

Delta 40 Muffler, 3in Center Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound

from

$166.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
See More

Walker – Sound Solution Exhaust Muffler (Part No.18759)

Sound Solution Exhaust Muffler

from

$62.99
Sound Solution mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability, And spun-locked heads for resistance to rupture from backfires. Sound Solution mufflers are available in a universal fitment style, with both quality appearance And favorable acoustics.
See More

Walker – Sound Solution Exhaust Muffler (Part No.18761)

Sound Solution Exhaust Muffler

from

$76.99
Sound Solution mufflers are engineered with 100% aluminized steel for longer service life compared to low carbon steel. These mufflers have mechanical interior joints for durability, And spun-locked heads for resistance to rupture from backfires. Sound Solution mufflers are available in a universal fitment style, with both quality appearance And favorable acoustics.
See More

Flowmaster Inc. – 70 Series Muffler, 3in Center Inlet 2.5in Dual Offset Outlet, 22in long, Non-Reversible, Mild Sound (Part No.530702)

70 Series Muffler, 3in Center Inlet 2.5in Dual Offset Outlet, 22in long, Non-Reversible, Mild Sound

from

$243.99
The 70 series utilizes Flowmaster’s patented Delta Flow technology and an enlarged case for improved sound control along with mileage and power gains. Perfect for use on trucks, SUV’s, RVs, tow vehicles and high performance street cars where space allows. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More

Walker – Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD) (Part No.22329)

Quiet-Flow SS Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.25" Outlet (OD)

from

$121.99
Product Features:
  • CORROSION RESISTANT STAINLESS STEEL – The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
  • 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
  • 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

Flowmaster Inc. – 40 Series Muffler, 3in Center Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.9430402)

40 Series Muffler, 3in Center Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound

from

$149.99
This two chamber design incorporates Flowmaster’s patented Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over Original 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
See More

Flowmaster Inc. – Super 44 Series Muffler, 3in Offset Inlet 3in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.943048)

Super 44 Series Muffler, 3in Offset Inlet 3in Offset Outlet, Non-Reversible, Aggressive Sound

from

$134.99
Flowmaster’s Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing four inch case street muffler we’ve ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Flowmaster Inc. – 50 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Moderate Sound (Part No.842553)

50 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Moderate Sound

from

$184.99
The three chamber design utilizes Flowmaster’s patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.
See More

Exhaust Mufflers Brands You Can Trust For Your GMC K2500

5 trusted brands of Exhaust Mufflers line our shelves, ready to help keep your GMC K2500 running smooth. Below are some of the most popular brands and their top Exhaust Mufflers offerings:

Popular Flowmaster Inc. Exhaust Mufflers

Flowmaster Inc. products for the GMC K2500 span several categories. Some of the highest-rated Flowmaster Inc. Exhaust Mufflers that will fit your GMC K2500 are:

Most Purchased GMC K2500 Exhaust Mufflers from Flowmaster Inc.

When you buy the most frequently purchased Flowmaster Inc. brand Exhaust Mufflers, you can be confident it will be the right part for your GMC K2500. Here are the Flowmaster Inc. Exhaust Mufflers Advanced Auto customers buy the most:
Sound Solution Exhaust Muffler
from $76.99
(36)
Sound Solution Exhaust Muffler
Mufflers

FAQs for GMC K2500 Exhaust Mufflers

What are the most purchased Exhaust Mufflers for the GMC K2500?

Out of 55 Exhaust Mufflers for the GMC K2500, the most popular in our inventory are:
SoundFX Universal Exhaust Muffler, 2.75" Inlet (ID) 2.75" Outlet (OD)
from $75.99
This product is not rated
SoundFX Universal Exhaust Muffler, 2.75" Inlet (ID) 2.75" Outlet (OD)
Mufflers
Super Turbo Exhaust Muffler
from $115.99
This product is not rated
Super Turbo Exhaust Muffler
Mufflers

What are the top-rated GMC K2500 Exhaust Mufflers?

Top-rated Exhaust Mufflers for your GMC K2500 based on customer reviews/ratings are:
Ultra Flo Exhaust Muffler: Universal Fit, Stainless Steel, 20" L, 3" In, 3" Out, Oval
from $139.99
(5)
Ultra Flo Exhaust Muffler: Universal Fit, Stainless Steel, 20" L, 3" In, 3" Out, Oval
“I installed this muffler on my 06 Dodge Ram 2500 crew cab. Was looking for the same sound that the Flowmaster had that I was re”
Sound Solution Exhaust Muffler
from $62.99
(3)
Sound Solution Exhaust Muffler
“I spent time on the website making sure I ordered the right parts. This exhaust system is available in a full three inch pipe system or a 2 inch syste”
50 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Moderate Sound
from $184.99
(3)
50 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Moderate Sound
“20% off from Advance plus 10% off through Discover for top-of-the-line parts – what’s not to love?”