To ensure reliability, purchase GM part # 19420312 MUFFLER ASM,EXH (W/ RESO, EXH & TAIL PIPE) GM Muffler. Directly from GM, genuine parts are superb with regards to quality, longevity, and fit. Every single part passed stringent quality testing, so you can be sure that it's safe, durable, and built to perform like your original parts.
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