GMC 3500 Performance Exhaust - Single Side Exit - MBRP - Cat Back, Armor BLK Series - Black - `20-`27. This MBRP cat-back brings a clean, confident tone and a durable blacked-out look to your 6.6L Duramax.

Constructed from heavy-gauge aluminized steel with mandrel-bent 4 in. tubing, this system is designed for smooth flow and dependable performance. The Armor BLK high-heat coating on the tailpipe and the included 5 in. tip delivers a tough, black finish, while underbody sections remain mill-finish. It uses OEM hangers and a bolt-on layout for straightforward installation. Expect a mild, purposeful note, improved horsepower and torque potential, and the possibility of lower exhaust gas temperatures.

Features

• 4 in. mandrel-bent aluminized steel tubing
• Single side exit with 5 in. OD black tip
• Armor BLK high-heat coated tailpipe and tip
• Utilizes OEM hangers; bolt-on install
• Mild exhaust note; can help reduce EGTs
• 1-year coating / 3-year remaining parts warranty

Have questions or planning a build? Call us in Austin, TX at 512-982-9393 or in the Los Angeles, CA area at 562-981-6800. We offer installation and customization at both locations. Considering multiple items? Contact us for possible shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov