MBRP 4-Inch DPF-Back Exhaust Single Side Exit Black Series 6.6L Diesel 2020-2026 Chevy Silverado 2500 HD/3500 HD; 2020-2026 GMC Sierra 2500 HD/3500 HD

Free Shipping. Verified fitment for 2020-2026 GMC Sierra 3500 HD; 2020-2026 GMC Sierra 2500 HD; 2020-2026 Chevy Silverado 2500 HD; 2020-2026 Chevy Silverado 3500 HD. Orders Placed By 1PM CST Get Shipped Same Day. This MBRP filter 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 system kit uses a vehicle-specific layout with Aluminized Steel, 4.0 inch sizing. 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: Filter 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: 4.0 inch — relevant to flow capacity, sound character, and the balance between response and drivability
• Series: Black Series — useful when comparing entry-value construction against longer-life stainless options inside the MBRP range
• Finish: Black Coated — matters for surface durability and how the system holds appearance over time
• 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

Filter Back changes the exhaust flow path with a platform-specific layout, which is what separates a direct-fit system from a generic pipe solution. 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. Aluminized Steel matters in the real world because corrosion resistance determines how well the system survives heat cycles, moisture, road salt, and long service intervals. The 4.0 inch sizing influences gas velocity, sound character, and overall restriction. Bigger is not automatically better; the right balance depends on the application. Within the MBRP range, the Black Series designation helps buyers compare construction level, service life, and long-term ownership value.

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

2020-2026 GMC Sierra 3500 HD; 2020-2026 GMC Sierra 2500 HD; 2020-2026 Chevy Silverado 2500 HD; 2020-2026 Chevy Silverado 3500 HD