1981 GMC K2500 Exhaust Mufflers
More 1981 GMC K2500 Exhaust Mufflers
Find your specific 1981 GMC K2500 original or aftermarket Exhaust Mufflers below. Order your parts online and have delivered to your home or pick up in-store at Advance Auto.
Essential 1981 GMC K2500 Exhaust Mufflers
Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.22329)
from
$121.99
The only broad-market muffler with 100% stainless-steel construction, Walker® Quiet-Flow® SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import vehicles.
Product Features:
See More
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/or 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
Flowmaster Inc. – 50 Series Muffler, 2.25in Dual Offset Inlet 3in Center Outlet, Non-Reversible, Moderate Sound (Part No.524553)
from
$185.99
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. – Delta 40 Muffler, 3in Center Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.8430402)
from
$154.99
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 – SoundFX Muffler, Universal/ Fabrication Needed (Part No.18133)
from
$94.99
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:
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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
Dynomax – Ultra Flo Muffler: Universal Fit, Stainless Steel, 14" L, 3" In, 2.5" Out, Oval (Part No.17519)
from
$118.99
DynoMax Ultra Flo SS Polished performance mufflers are constructed of stainless steel for lifelong durability and completely polished for show-quality shine. The unrestricted, straight-through design is dyno proven to flow up to 2,000 SCFM and support up to 1,900 horsepower. Each muffler uses our exclusive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone.
Product Features:
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Product Features:
- Stainless steel construction for lifelong protection
- Polished finish for a show quality shine
- Dyno proven to flow up to 2,000 SCFM and support up to 1,900 horsepower
- Straight through design ensures unrestricted exhaust flow and reduces back pressure
- CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
Walker – Sound Solution Muffler (Part No.18746)
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 – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18216)
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:
See More
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/or 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
Walker – Sound Solution Muffler (Part No.18742)
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.
Product Features:
See More
Product Features:
- Aluminized steel construction for corrosion resistance and durability
- Mechanical interior joints for durability
- Spun-locked heads for rupture resistance
- Tube-and-partition style interior design
- Universal mufflers may require modifications to complete installation
- Spot welded bushings provide stability and system support
- Some mufflers available with reinforced bracketed heads
Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21784)
from
$89.99
Designed to deliver superior flow and OE-style sound, Walker® Quiet-Flow® mufflers are available for top-selling domestic and foreign vehicles.
Product Features:
See More
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/or 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
Flowmaster Inc. – Super 40 Series Muffler, 3in Center Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.9530452)
from
$154.99
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.
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Walker – SoundFX Muffler, Universal/ Fabrication Needed (Part No.18176)
from
$69.99
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:
See More
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
Flowmaster Inc. – 40 Series Muffler, 3in Offset Inlet 3in Offset Outlet, 13in long, Non-Reversible, Aggressive Sound (Part No.943043)
from
$133.99
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
Dynomax – Ultra Flo Muffler: Universal Fit, Stainless Steel, 14" L, 3" In, 2.5" Out, Oval (Part No.17228)
from
$156.99
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.
Product Features:
See More
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.
Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.22171)
from
$158.99
The only broad-market muffler with 100% stainless-steel construction, Walker® Quiet-Flow® SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import vehicles.
Product Features:
See More
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/or 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 lifetime warranty and exclusive 90-Day Safe and Sound® Guarantee. Visit Walkerexhaust.com for details.
Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21910)
from
$116.99
The only broad-market muffler with 100% stainless-steel construction, Walker® Quiet-Flow® SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import vehicles.
Product Features:
See More
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/or 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
Walker – Sound Solution Muffler (Part No.18761)
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
Dynomax – Ultra Flo Muffler: Direct Fit, Stainless Steel, 23" L, 3" In, 2.5" Out, Oval (Part No.17273)
from
$465.99
DynoMax Ultra Flo SS Polished performance mufflers are constructed of stainless steel for lifelong durability and completely polished for show-quality shine. The unrestricted, straight-through design is dyno proven to flow up to 2,000 SCFM and support up
Product Features:
See More
Product Features:
- Stainless steel construction for lifelong protection
- Polished finish for a show quality shine
- Dyno proven to flow up to 2,000 SCFM and support up to 1,900 horsepower
- Straight through design ensures unrestricted exhaust flow and reduces back pressure
- CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
Flowmaster Inc. – 70 Series Muffler – 2.25 Dual In / 3.00 Center Out – Mild Sound (Part No.524703)
from
$221.99
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 – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18191)
from
$94.99
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:
See More
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/or 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
Flowmaster Inc. – Super 50 Muffler, 2.5in Dual Offset Inlet 3in Center Outlet, Non-Reversible, Moderate Sound (Part No.8524553)
from
$206.99
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:
See More
Product Features:
- Mild to stock exterior exhaust tone
- Minimal interior resonance
- Excellent choice for large displacement vehicles
- Improved horsepower, torque and potential mileage improvement
Walker – Sound Solution Muffler (Part No.18624)
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
Flowmaster Inc. – 50 Series Muffler, 2.5in Offset Inlet 2.5in Offset Outlet, Non-Reversible, Moderate Sound (Part No.52558)
from
$185.99
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
Walker – Sound Solution Muffler (Part No.18759)
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
Flowmaster Inc. – 40 Series Muffler, 3in Center Inlet 2.5in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.9430402)
from
$133.99
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 – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.22512)
from
$119.99
The only broad-market muffler with 100% stainless-steel construction, Walker® Quiet-Flow® SS mufflers feature precision fit, superior flow and OE-style sound. Quiet-Flow SS mufflers are available for most domestic and import vehicles.
Product Features:
See More
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/or 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
Flowmaster Inc. – Super 50 Muffler, 2.5in Offset Inlet 2.5in Center Outlet, 17in long, Non-Reversible, Moderate Sound (Part No.852556)
from
$206.99
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:
See More
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
Flowmaster Inc. – 40 Series Muffler, 3in Center Inlet 3in Dual Offset Outlet, Non-Reversible, Aggressive Sound (Part No.80430402)
from
$123.99
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.
See More
Flowmaster Inc. – 70 Series Muffler, 2.5in Offset Inlet 2.5in Center Outlet, 22in long, Non-Reversible, Mild Sound (Part No.52571)
from
$221.99
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
Popular 1981 GMC K2500 Exhaust Mufflers Categories
1981 GMC K2500 Exhaust Mufflers
Maybe you’re in the middle of a full rebuild of that 1981 GMC K2500. Maybe you just need a couple of Exhaust Mufflers. Either way, Advance Auto Parts has 7 different Exhaust Mufflers in our inventory ranging from $62.99 to $116.99. That means you can find the exact parts or products you need to keep that 1981 GMC K2500 running smoothly.
Exhaust Mufflers are only as good as their brand. We stock 2 different brands to make sure you have plenty of trusted parts to choose from for your 1981 GMC K2500. Walker and Dynomax are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!
We know you’ll find the perfect Exhaust Mufflers for your 1981 GMC K2500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.
So if you’re in the market for aftermarket Exhaust Mufflers to keep your 1981 GMC K2500 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!
Exhaust Mufflers Brands To Make Your 1981 GMC K2500 Last
Simple repair, complete replacement, or a full rebuild. No matter the job, your 1981 GMC K2500 demands trusted brand parts and products to keep it running. Many trusted brands of Exhaust Mufflers make up Advance Auto Parts’ inventory, and all are ready to help make your K2500 the best it can be. Be sure to browse some of our top Exhaust Mufflers brands and parts.
Popular Walker Exhaust Mufflers
We carry Walker parts in our stock across Mufflers categories, plus more. For a 1981 GMC K2500, our most popular Walker Exhaust Mufflers include:
FAQs for 1981 GMC K2500 Exhaust Mufflers
What are the most purchased Exhaust Mufflers for the 1981 GMC K2500?
Out of 7 Exhaust Mufflers for the 1981 GMC K2500, the most popular in our inventory are:
from
$109.99
This product is not rated
Super Turbo Muffler Uni Fit Aluminized Steel 19" L, 2.5" In, 2.5" Out, Oval
Mufflers
from
$81.99
This product is not rated
SoundFX Muffler, Direct Replacement, No Fabrication Needed
Mufflers
