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Tell Us More About Your Chevrolet Trailblazer. View all models

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The muffler of your Trailblazer is often overlooked. After all, a noisy muffler isn't always desirable with an SUV, but what happens when your muffler malfunctions or is defective? For mufflers causing undesirable noises and negatively affecting the performance of your vehicle, switch to a Chevrolet Trailblazer performance muffler from AutoZone.

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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. Trailblazer EXT Model. Optional for 21421.
  • 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
  • Part Number: 17965
  • Notes: Direct fit muffler
    Dynomax VT Direct Fit Muffler.
  •  | Page 1 of 1 |  

A Trailblazer muffler with holes is dangerous, as it is designed to keep toxic gases from getting into your SUV. Luckily, replacing your old muffler is simple to do yourself. When you order through us, you get Free Shipping on orders of $75 or more, and you're sure to find the right parts at the right price. Choosing Same Day Store Pickup (in most cases) at checkout allows you access to your order at one of our stores where our friendly staff is available with useful advice and answers to your questions. Don't forget about our Loan-a-Tool Program.

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