2003 Hummer H2 Performance Exhaust Mufflers

Your 2003 Hummer H2 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 Performance Exhaust Mufflers you desperately need.

We currently carry 2 Performance Exhaust Mufflers to choose from for your 2003 Hummer H2, and our inventory prices range from as little as $139.99 up to $278.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Performance Exhaust Mufflers for the 2003 Hummer H2. 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 5 reviews on our Performance Exhaust Mufflers for the 2003 Hummer H2 from previous customers.

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

Performance Exhaust Mufflers for Your 2003 Hummer H2

Dynomax – Ultra Flo Muffler: Universal Fit, Stainless Steel, 20" L, 3" In, 3" Out, Oval (Part No.17233)

Ultra Flo Muffler: Universal Fit, Stainless Steel, 20" L, 3" In, 3" Out, Oval

from

$139.99
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.
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Flowmaster Inc. – 50 Series Muffler, 2.75in Dual Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Mild Sound (Part No.527504)

50 Series Muffler, 2.75in Dual Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, 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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FAQs for 2003 Hummer H2 Performance Exhaust Mufflers

What are the most popular Performance Exhaust Mufflers for the 2003 Hummer H2?

With 2 brands you can trust, our most popular Performance Exhaust Mufflers for the 2003 Hummer H2 parts are:
50 Series Muffler, 2.75in Dual Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Mild Sound
from $278.99
This product is not rated
50 Series Muffler, 2.75in Dual Offset Inlet 2.5in Dual Offset Outlet, Non-Reversible, Mild Sound
Performance Exhaust Mufflers