Order GMC Sierra 2500HD Pickup Exhaust Muffler Pipe & GMC Sierra 2500HD Pickup Flexible Exhaust Pipe. Explore GMC Sierra 2500HD Pickup Exhaust Pipe System. Maintaining the exhaust pipes of your GMC Sierra 2500HD Pickup is crucial for optimal performance, and recognizing signs such as rusting or a drop in fuel efficiency can indicate the need for replacement. Extend the lifespan of your exhaust pipes by regularly inspecting for physical damage and ensuring clamps and hangers are secure. When selecting a new exhaust pipe, consider materials like aluminized steel for durability or stainless steel for superior rust resistance. Available options include single and dual systems, each offering unique performance benefits. Installation is straightforward for those with basic mechanical skills, but professional fitting is recommended to ensure peak operation and compliance with emission standards. Shop our selection now to enhance your vehicle's longevity and power.