Flowmaster 40 Series Delta Flow Chambered Muffler BIOTHANE COLLAR Compatible with 2019 Classic Body

Compatible with 2019 Classic Body Style

Part No: PAK1001 If you are installing a FASS Diesel Fuel System on a late model Paccar Engine with plastic quick connect fuel lines

The PhatShaft utilizes the 65mm turbine wheel and is available in a 14 cm exhaust housing in which we modify the angle of the exhaust nozzle

Cold pipes and compressor housings are powder coated high gloss black

Approximate rated 500hp (depending on truck configuration)

Flowmaster 40 Series Delta Flow Chambered Muffler BIOTHANE COLLAR Compatible with 2019 Classic BodyThis 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.