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Details Description: 1999-2006 GM 1500 Stainless Exhaust Y-Pipe for Chevy GMC 2WD 4WD Sierra Silverado Direct bolt-on fit for all V8 models, featuring 3 O2 bungs like the stock setup. Expect improved throttle response, better MPG, increased horsepower and torque, and an amazing sound. Includes a stainless steel band clamp. Easily installable at home with basic tools. OEM Part Number: GM641242 Fit For the Following Models: 1999-2006 Chevrolet Avalanche 1500 1999 Chevrolet Silverado 1999-2006 Chev...

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