MBRP S6004P 4 Inch Aluminized Steel Cat-Back Exhaust System No Muffler

The MBRP S6004P is a 4-inch cat-back exhaust system designed for 2001-2007 Chevrolet Silverado and GMC Sierra 2500/3500 trucks equipped with the 6.6L Duramax diesel engine. Part of MBRP's Armor Lite Series, this system delivers exceptional performance and sound at a budget-friendly price point.

Construction and Design:

Built from heavy-gauge aluminized steel, this exhaust system offers excellent durability and resistance to dings and dents from road debris. The aluminized steel construction makes it ideal for drivers in dry climates or those seeking performance exhaust tone without premium pricing. All tubing is mandrel-bent to eliminate ripples and restrictions, ensuring smooth exhaust flow that maximizes engine efficiency and power output.

Key Features:

• 4-inch diameter single side exit configuration
• Mandrel-bent tubing for unrestricted exhaust flow
• No muffler design for aggressive exhaust tone
• Includes 4-inch front pipe for non-catalytic converter equipped vehicles
• Bolt-on installation with no welding required
• Heavy-gauge aluminized steel construction
• No tip included

Fitment Note:

This system is specifically designed for Extended Cab and Crew Cab configurations only. Some cutting may be required during installation for proper fitment. This part carries a 1-year warranty and is compatible with both short bed and long bed models.

By improving exhaust flow, this system allows your Duramax engine to breathe more efficiently, resulting in better throttle response, enhanced performance, and that distinctive diesel exhaust note enthusiasts demand.