MBRP 5-Inch Cat-Back Exhaust Single Side Armor Lite 6.6L Duramax Diesel 2001-2006 Chevy Silverado 2500 HD; 2007 Chevy Silverado 2500 HD Classic; 2001-2006 GMC Sierra 2500 HD; 2007 GMC Sierra 2500 HD Classic Performance Muffler

Free Shipping. Verified fitment for 2001-2006 Chevy Silverado 2500 HD; 2001-2006 GMC Sierra 2500 HD; 2007-2007 GMC Sierra 2500 HD Classic; 2007-2007 Chevy Silverado 2500 HD Classic. Orders Placed By 1PM CST Get Shipped Same Day. This MBRP cat back is built for buyers who want a direct-fit change in exhaust flow, tone, and durability without gambling on generic universal hardware.

Overview

This exhaust pipe uses a vehicle-specific layout with Aluminized Steel, 5.0 inch sizing, and a single outlet configuration. It is well-suited to towing, heavy-load use, and long service intervals where durable tubing and lower restriction matter. This fitment profile ties the part to 6.6 Liter Diesel vehicles, which matters because sound, flow demand, and packaging change with engine and fuel type.

Key Features

• Configuration: Cat Back — defines where the system starts and how much of the factory exhaust it replaces
• Material: Aluminized Steel — important for corrosion resistance, heat-cycle durability, and long-term service life
• Tubing Size: 5.0 inch — relevant to flow capacity, sound character, and the balance between response and drivability
• Series: Armor Lite — useful when comparing entry-value construction against longer-life stainless options inside the MBRP range
• Finish: Aluminized — matters for surface durability and how the system holds appearance over time
• Outlet: Single — changes rear appearance, exit strategy, and how sound leaves the truck or SUV
• Engine Match: 6.6 Liter Diesel — keeps the part anchored to the intended powertrain instead of a generic application list
• Warranty: 1 Year Warranty — useful for understanding long-term ownership coverage

Engineering Notes

Pipe and downpipe sections matter because routing, bend quality, and material directly affect flow, heat management, and how cleanly the exhaust path fits the chassis. On heavy-duty truck platforms, the value is in flow stability under load, corrosion resistance through work-truck use, and a tone profile that remains usable during towing, highway miles, and long service intervals. Cab, bed, and wheelbase differences also matter because they change routing and cabin resonance.

Important Notes

• Cab configuration coverage includes: Crew Cab, Extended Cab.
• Review the installation instructions before ordering to confirm hardware, routing, and whether any cutting or adaptation is required.
• This product includes a California Proposition 65 warning.

Verified Fitment

2001-2006 Chevy Silverado 2500 HD; 2001-2006 GMC Sierra 2500 HD; 2007-2007 GMC Sierra 2500 HD Classic; 2007-2007 Chevy Silverado 2500 HD Classic