GM Genuine Parts Exhaust Mufflers are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These mufflers help diminish the amount of noise emitted by your vehicle's exhaust system by reflecting the sound waves in such a way that they partially cancel themselves out. GM Genuine Parts are the true OE parts installed during the production or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

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• Helps diminish the amount of noise emitted by your vehicle's exhaust system
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
• GM regularly updates production and service part designs to integrate new materials and technologies
• Collision parts are designed to help promote proper and safe repair