Flowmaster 40 Series Delta Flow Chambered Muffler BIOTHANE COLLAR You'll enjoy the spool up

You'll enjoy the spool up and throttle response of a small turbo and still get the big top end power you're looking for

The 2017+ L5P diesel trucks are some of the best that GM has ever released and right off the showroom floor

The large diameter intake tube was designed to minimize restriction

Approximate rated 500hp (depending on truck configuration)

This FASS No Drop Kit NDTSD10180F140G includes:

Flowmaster 40 Series Delta Flow Chambered Muffler BIOTHANE COLLAR You'll enjoy the spool upThis 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 409S stainless steel and fully MIG welded for maximum durability.