To ensure reliability, purchase GM part # 20981157 Exhaust Muffler Assembly (W/ Resonator, Exhaust & Tail Pipe. It is sometimes referred to as GM Exhaust 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. This part fits specific Cadillac CTS models.
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