Flowmaster 40 Series Delta Flow 2.25" In/Out Offset Chambered Universal Muffler output shaft With the included universal bracket

With the included universal bracket set

Reduces EGT's

2011–2016 GMC Sierra 3500HD 6

great looks as you expect from ReadyLIFT

Flowmaster 40 Series Delta Flow 2.25" In/Out Offset Chambered Universal Muffler output shaft With the included universal bracketThis two chamber design incorporates Flowmaster's Delta Flow technology. The Delta deflectors generate increased scavenging for better performance and reduced interior sound. Milder exterior tone and reduced interior resonance over standard 40 series. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Features: No internal packing to blowout Race proven Delta Flow technology Excellent Street Strip and Off Road