2017-2023 Chevy/GMC 6.6L L5P Duramax 3.5" Downpipe Exhaust

Upgrade your 2017-2023 Chevrolet Silverado HD and GMC Sierra HD equipped with the 6.6L L5P Duramax using this premium 3.5-inch Downpipe Exhaust. Precision-engineered for a direct fit, this downpipe is manufactured from high-quality stainless steel for exceptional durability, corrosion resistance, and long-lasting performance.

Designed with smooth mandrel bends to optimize exhaust flow, this downpipe offers an excellent fit and straightforward installation, making it a great choice for dedicated off-road and competition builds.

Features

• Fits 2017-2023 Chevy Silverado 2500HD & 3500HD
• Fits 2017-2023 GMC Sierra 2500HD & 3500HD
• Designed for the 6.6L L5P Duramax
• 3.5-inch mandrel-bent tubing
• Premium stainless steel construction
• Precision TIG/MIG welded
• Direct-fit installation
• Corrosion-resistant finish
• Built for long-lasting durability

Package Includes

• 3.5" Downpipe Exhaust
• Installation Hardware (if applicable)

Fitment

• 2017-2023 Chevrolet Silverado 2500HD – 6.6L L5P Duramax
• 2017-2023 Chevrolet Silverado 3500HD – 6.6L L5P Duramax
• 2017-2023 GMC Sierra 2500HD – 6.6L L5P Duramax
• 2017-2023 GMC Sierra 3500HD – 6.6L L5P Duramax

Important: Professional installation is recommended.

For Off-Road Use Only: This product is intended for closed-course competition or off-road use where permitted by law. The purchaser is responsible for complying with all applicable federal, state, and local laws and regulations.