Shop GMC Sierra 1500 Pickup Exhaust Muffler Pipe. Purchase GMC Sierra 1500 Pickup Exhaust Tubing Kit & GMC Sierra 1500 Pickup Exhaust Pipes For Sale. Maintaining the exhaust pipes on your GMC Sierra 1500 Pickup is crucial for optimal performance and longevity. Regular inspections for rust, holes, and unusual noises can help identify when a replacement is necessary. To extend the lifespan of your exhaust system, ensure timely cleaning to prevent corrosive buildup and consider upgrading to stainless or aluminized steel pipes for their superior resistance to rust. When choosing a new exhaust pipe, consider mandrel-bent pipes for smoother airflow and improved power, or straight pipes for a more robust sound. Always opt for high-quality materials and precise fitment to facilitate a smooth installation process, ensuring your ride runs efficiently with a boost in both horsepower and torque.