2003 GMC Sierra 3500 Mufflers
Your 2003 GMC Sierra 3500 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 4 Mufflers to choose from for your 2003 GMC Sierra 3500, and our inventory prices range from as little as $133.99 up to $184.99.
On top of low prices, Advance Auto Parts offers 2 different trusted brands of Mufflers for the 2003 GMC Sierra 3500. We only sell parts from trusted brands like Flowmaster Inc. so that you can find quality parts you can count on.
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 2003 GMC Sierra 3500
Flowmaster Inc. – Super 40 Series Muffler, 3in Offset Inlet 3in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.953048)
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. – 50 Series Muffler, 3in Offset Inlet 3in Offset Outlet, 17in long, Non-Reversible, Moderate Sound (Part No.53058)
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$184.99
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.
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Walker – Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed (Part No.21522)
from
$178.99
Designed to deliver superior flow and OE-style sound, Walker® Quiet-Flow® mufflers are available for top-selling domestic and foreign vehicles.
Product Features:
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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 Offset Inlet 3in Offset Outlet, Non-Reversible, Aggressive Sound (Part No.853048)
from
$153.99
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:
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Product Features:
- Durable fully welded 409 stainless steel
- Deep aggressive exhaust note
- Noticeable interior resonance
- Excellent performance on high horsepower vehicles
- No internal packing to blowout
FAQs for 2003 GMC Sierra 3500 Mufflers
What are the most popular Mufflers for the 2003 GMC Sierra 3500?
With 2 brands you can trust, our most popular Mufflers for the 2003 GMC Sierra 3500 parts are:
from
$133.99
This product is not rated
Super 40 Series Muffler, 3in Offset Inlet 3in Offset Outlet, Non-Reversible, Aggressive Sound
Mufflers
from
$184.99
This product is not rated
50 Series Muffler, 3in Offset Inlet 3in Offset Outlet, 17in long, Non-Reversible, Moderate Sound
Mufflers
from
$178.99
This product is not rated
Quiet-Flow Muffler, Direct Replacement, No Fabrication Needed
Mufflers
