2003 GMC Sierra 1500 Exhaust Mufflers

Essential 2003 GMC Sierra 1500 Exhaust Mufflers

Walker – SoundFX Muffler, Direct Replacement, No Fabrication Needed (Part No.18823)

SoundFX Muffler, Direct Replacement, No Fabrication Needed

from

$78.99
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/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
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Walker – SoundFX Muffler, Universal/ Fabrication Needed (Part No.18138)

SoundFX Muffler, Universal/ Fabrication Needed

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/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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ACDelco – Professional RapidFire Performance Platinum Spark Plug (Part No.F1000582337ACD)

Professional RapidFire Performance Platinum Spark Plug

from

$6.22
Designed for today’s most popular autos, ACDelco’s RapidFire Platinum Spark Plugs fit engines using conventional plugs, as well as newer vehicles requiring platinum performance.

Product Features:
  • Ribless insulator that improves the plug-to-boot seal.
  • Tapered center wire electrode with a platinum pad reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage.
  • Solid state suppressor with two-piece glass and brass seal helps reduce radio frequency interference, meters spark plug energy to help provide long electrode life and seals against compression leakage. When compared to conventional spark plugs:
  • Reduced sparking voltage.
  • Greater corrosion protection.
  • Longer life and improved efficiency.
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Flowmaster Inc. – Super 50 Muffler, 3in Center Inlet 3in Offset Outlet, 17in long, Non-Reversible, Moderate Sound (Part No.853057)

Super 50 Muffler, 3in Center Inlet 3in Offset Outlet, 17in long, Non-Reversible, Moderate Sound

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:
  • 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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Dynomax – Super Turbo Muffler: Universal Fit Aluminized Steel, 16" L, 3" In, 3" Out, Oval (Part No.17673)

Super Turbo Muffler: Universal Fit Aluminized Steel, 16" L, 3" In, 3" Out, Oval

from

$259.99
DynoMax Super Turbo performance mufflers exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications. The large internal flow tubes improve exhaust flow and reduce backpressure. Each muffler uses fiberglas

Product Features:
  • Large internal flow tubes improve exhaust flow and reduce backpressure
  • Exclusive patented flow director design channels exhaust flow and eliminates turbulence on most applications.
  • Fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone
  • Dyno proven to flow up to 700 SCFM
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Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21356)

Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed

from

$142.99
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:
  • 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
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MBRP Exhaust – T-409 Stainless Steel, 3"Dia Pipe (Part No.S5001409)

T-409 Stainless Steel, 3"Dia Pipe

from

$125.99
XP Series is the performance exhaust of choice for the enthusiast who needs a system that can take anything that the road throws at it. This system rugged sixteen gauge T409 construction can be counted on to withstand everything from salt to rocks, tar to grime. Built to Perform MBRP performance exhaust systems are built to perform. Designed to maximize exhaust flow and minimize exhaust temperatures your vehicle. Every system we sell has been built to the most exacting standards in the industry.

Product Features:
  • Increased Flow And Performance
  • Mandrel Bent 3 Inch Tubing
  • Muffler Bypass
  • Simple Installation
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Flowmaster Inc. – 50 Series Muffler, 3in Center Inlet 3in Offset Outlet, 17in long, Non-Reversible, Moderate Sound (Part No.53057)

50 Series Muffler, 3in Center Inlet 3in Offset Outlet, 17in long, Non-Reversible, Moderate Sound

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

Dynomax – Ultra Flo Muffler: Universal Fit, Stainless Steel, 14" L, 3" In, 3" Out, Oval (Part No.17220)

Ultra Flo Muffler: Universal Fit, Stainless Steel, 14" L, 3" In, 3" Out, Oval

from

$102.99
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:
  • 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.
See More

Flowmaster Inc. – 50 Big Block Muffler – 3.00 Dual In / 3.50 Offset Out – Mild Sound (Part No.530513)

50 Big Block Muffler - 3.00 Dual In / 3.50 Offset Out - Mild Sound

from

$278.99
The 50 Series Big Block muffler is made for more than just big cubic inch engine applications. Its large case size with internal tuning chamber provides mileage and power gains along with maximum sound control for a quiet interior tone, even under heavy loads. Well suited to heavy duty vehicles such as full size trucks, SUV’s, RVs, and tow vehicles. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
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Walker – Sound Solution Muffler (Part No.18761)

Sound Solution 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.
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Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21919)

Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed

from

$156.99
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:
  • 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
See More

Dynomax – Ultra Flo Muffler: Universal Fit, Stainless Steel, 14" L, 3" In, 2.5" Out, Oval (Part No.17519)

Ultra Flo Muffler: Universal Fit, Stainless Steel, 14" L, 3" In, 2.5" Out, Oval

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:
  • 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
See More

Flowmaster Inc. – Super 40 Series Muffler, 3in Center Inlet 3in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.953047)

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

from

$133.99
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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Flowmaster Inc. – Super 40 Series Muffler, 3in Offset Inlet 3in Center Outlet, Non-Reversible, Aggressive Sound (Part No.853046)

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

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 409S stainless steel and fully MIG welded for maximum durability.

Product Features:
  • Durable fully welded 409 stainless steel
  • Noticeable interior resonance
  • Deep aggressive exhaust note
  • Excellent performance on high horsepower vehicles
  • Made in the USA
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Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21577)

Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed

from

$109.99
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:
  • 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
See More

Dynomax – Ultra Flo Muffler: Universal Fit, Stainless Steel, 14" L, 3" In, 2.5" Out, Oval (Part No.17228)

Ultra Flo Muffler: Universal Fit, Stainless Steel, 14" L, 3" In, 2.5" Out, Oval

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:
  • 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.
See More

Dynomax – Ultra Flo Muffler: Universal Fit, Stainless Steel, 24" L, 3" In, 3" Out, Oval (Part No.17235)

Ultra Flo Muffler: Universal Fit, Stainless Steel, 24" L, 3" In, 3" Out, Oval

from

$146.99
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:
  • 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.
See More

2003 GMC Sierra 1500 Exhaust Mufflers

Maybe you’re in the middle of a full rebuild of that 2003 GMC Sierra 1500. Maybe you just need a couple of Exhaust Mufflers. Either way, Advance Auto Parts has 12 different Exhaust Mufflers in our inventory ranging from $76.99 to $259.99. That means you can find the exact parts or products you need to keep that 2003 GMC Sierra 1500 running smoothly.

Exhaust Mufflers are only as good as their brand. We stock 4 different brands to make sure you have plenty of trusted parts to choose from for your 2003 GMC Sierra 1500. Walker, Dynomax, and Flowmaster Inc. 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 2003 GMC Sierra 1500, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,069 reviews in this category, some of the top rated parts include Super Turbo Muffler: Universal Fit Aluminized Steel, 16" L, 3" In, 3" Out, Oval with 3.0 stars and 50 Series Muffler, 3in Center Inlet 3in Offset Outlet, 17in long, Non-Reversible, Moderate Sound with 3.5 stars.

So if you’re in the market for aftermarket Exhaust Mufflers to keep your 2003 GMC Sierra 1500 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 2003 GMC Sierra 1500 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 GMC Sierra 1500 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 Sierra 1500 the best it can be. Be sure to browse some of our top Exhaust Mufflers brands and parts.

FAQs for 2003 GMC Sierra 1500 Exhaust Mufflers

What are the most purchased Exhaust Mufflers for the 2003 GMC Sierra 1500?

Out of 12 Exhaust Mufflers for the 2003 GMC Sierra 1500, the most popular in our inventory are:
SoundFX Muffler, Universal/ Fabrication Needed
from $86.99
This product is not rated
SoundFX Muffler, Universal/ Fabrication Needed
Mufflers

What are the top-rated 2003 GMC Sierra 1500 Exhaust Mufflers?

Top-rated Exhaust Mufflers for your 2003 GMC Sierra 1500 based on customer reviews/ratings are:
Super Turbo Muffler: Universal Fit Aluminized Steel, 16" L, 3" In, 3" Out, Oval
from $259.99
(3)
Super Turbo Muffler: Universal Fit Aluminized Steel, 16" L, 3" In, 3" Out, Oval
“Installed on 99 Chevrolet Silverado. Used pipe adapters and clamps to install and add 6″ toward front of vehicle. Took about 30 minutes to install.”
50 Series Muffler, 3in Center Inlet 3in Offset Outlet, 17in long, Non-Reversible, Moderate Sound
from $185.99
(2)
50 Series Muffler, 3in Center Inlet 3in Offset Outlet, 17in long, Non-Reversible, Moderate Sound
“if you need a great sound (not noisy): buy 50 series”
Ultra Flo Muffler: Universal Fit, Stainless Steel, 14" L, 3" In, 3" Out, Oval
from $102.99
(1)
Ultra Flo Muffler: Universal Fit, Stainless Steel, 14" L, 3" In, 3" Out, Oval
“This is a good quality muffler and is exactly as described. The inlet and outlet are 3.0 inches inside diameter and fit perfectly over a 3-inch (outs”