2012 GMC Sierra 2500 HD Mufflers

Your 2012 GMC Sierra 2500 HD might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Mufflers you desperately need.

We currently carry 2 Mufflers to choose from for your 2012 GMC Sierra 2500 HD, and our inventory prices range from as little as $195.99 up to $393.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Mufflers for the 2012 GMC Sierra 2500 HD. We only sell parts from trusted brands like Dynomax so that you can find quality parts you can count on.

Don’t take our word for it – check out customer ratings and reviews to buy with confidence. We have 7 reviews on our Mufflers for the 2012 GMC Sierra 2500 HD from previous customers.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Mufflers stock in-person!

Mufflers for Your 2012 GMC Sierra 2500 HD

Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21753)

Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed

from

$393.99
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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Dynomax – Ultra Flo Muffler: Universal Fit, Stainless Steel, 25" L, 4" In, 4" Out, Oval (Part No.17557)

Ultra Flo Muffler: Universal Fit, Stainless Steel, 25" L, 4" In, 4" Out, Oval

from

$195.99
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

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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