2003 GMC Sierra 1500 HD Exhaust Mufflers

Essential 2003 GMC Sierra 1500 HD Exhaust Mufflers

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.22307)

Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed

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$319.99
Designed to deliver superior flow and OE-style sound, Walker® Quiet-Flow® mufflers are available for top-selling domestic and foreign vehicles.

Product Features:
  • 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
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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

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$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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2003 GMC Sierra 1500 HD Exhaust Mufflers

Maybe you’re in the middle of a full rebuild of that 2003 GMC Sierra 1500 HD. Maybe you just need a couple of Exhaust Mufflers. Either way, Advance Auto Parts has 3 different Exhaust Mufflers in our inventory ranging from $259.99 to $319.99. That means you can find the exact parts or products you need to keep that 2003 GMC Sierra 1500 HD running smoothly.

Exhaust Mufflers are only as good as their brand. We stock 3 different brands to make sure you have plenty of trusted parts to choose from for your 2003 GMC Sierra 1500 HD. 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 HD, 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 2003 GMC Sierra 1500 HD 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 HD Last

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