To ensure reliability, purchase GM part # 19418939 CONVERTER ASM,3WAY CTLTC (W/EXH MANIF PIPE)"KIT". It is sometimes referred to as GM Catalytic Converter, GM Exhaust Pipe. 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 Chevrolet Avalanche, Silverado, Tahoe models. It fits GMC Sierra, Yukon.
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