2003 GMC Sierra 2500 Mufflers

Your 2003 GMC Sierra 2500 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 2003 GMC Sierra 2500, and our inventory prices range from as little as $278.99 up to $378.17.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Mufflers for the 2003 GMC Sierra 2500. We only sell parts from trusted brands like Flowmaster Inc. 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 3 reviews on our Mufflers for the 2003 GMC Sierra 2500 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 2003 GMC Sierra 2500

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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(3 reviews)
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AP Exhaust – Muffler (Part No.H50002393344APE)

Muffler

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$378.17
Muffler
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