Flowmaster 50 Series Delta Flow 2.5" In Offset 2.5" Out Center Universal Muffler exhaust 2011–2019 GMC Sierra 2500HD 6

2011–2019 GMC Sierra 2500HD 6

These are all the gaskets necessary to install these high-flow manifolds on your vehicle

Aluminized Our Black Series performance exhaust systems offer a true murdered-out style without compromising on quality and performance

predictable ride in all conditions

The system includes a smooth-flowing intake tube and reusable air filter

Flowmaster 50 Series Delta Flow 2.5" In Offset 2.5" Out Center Universal Muffler exhaust 2011–2019 GMC Sierra 2500HD 6The three chamber design utilizes Flowmaster's Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Features: Moderate Sound Mild interior resonance Excellent choice for Street Rod cars and trucks Improved