GMC Envoy Performance Exhaust Muffler

Performance

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When it comes to the sound of your GMC Envoy, you want it to sound like a kitten purring rather than a cat hissing - like it might explode any moment. With a GMC Envoy performance muffler you're able to drive noise free with the assurance that your engine has what it needs.

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  • Part Number: 17718
  • Notes: Universal muffler. Custom installation. Additional parts and/or modifications required.
  • Part Number: 17650
  • Notes: Muffler
    Thrush Thrush Welded Muffler. Envoy Model. Optional for 21409.
  • Part Number: 17965
  • Notes: Direct fit muffler
    Dynomax VT Direct Fit Muffler.
  • Part Number: 53883
  • Notes: Resonator assembly
    Dynomax Resonator Assembly. Position in exhaust system diagram from hot to cold (converter to muffler/tailpipe): 11
  • Part Number: 53884
  • Notes: Resonator assembly
    Dynomax Resonator Assembly. Position in exhaust system diagram from hot to cold (converter to muffler/tailpipe): 8
  •  | Page 1 of 1 |  

If your GMC Envoy is making any sort of hissing, rattling or booming noises, it may be time to replace your ancient muffler. Switching out an old muffler with a new performance exhaust muffler for GMC Envoy provides your vehicle with better engine power and a boost in fuel economy, putting more money in your wallet each month. Take advantage of our Same Day Store Pickup (in most cases) and Loan-A-Tool programs to make the alteration as convenient and stress free as possible. AutoZone also offers Free Shipping on any order of $75 or more.

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