2011-2015.5 Chevy GMC 6.6L Duramax LML 4" Downpipe-Back DPF Delete Race Pipe

Constructed from premium T-409 stainless steel to provide exceptional heat resistance and long-term durability in high-performance applications.

Features a full 4-inch Downpipe-back design, allowing for the complete removal of the restrictive factory catalytic converter and DPF filter.

Engineered with a clean, no-bung configuration to ensure an unobstructed, high-velocity exhaust flow and eliminate internal turbulence.

Significantly enhances overall engine performance, resulting in increased horsepower, torque, and improved throttle response.

Improves fuel efficiency by reducing exhaust backpressure, providing measurable savings at the pump during daily driving or competition.

Important Compatibility Note: This kit is specifically designed for models equipped with a V-band clamp connection. It will NOT fit trucks equipped with a 3-bolt flange on the turbo direct pipe.

Fits: 2011-2015.5 Chevy Silverado / GMC Sierra 2500HD / 3500HD pickup trucks (Does NOT fit Cab & Chassis commercial models).