Flowmaster 40 Series Delta Flow Chambered Muffler Style Upgrades and Parts 7L Hemi engine and factory

7L Hemi engine and factory dual exit exhaust

Optional power switch for the Exhaust Brake that mounts on the manual Tranmission shift lever

Bulkhead Fitting Suction Tube and Return

Made from high-quality cast A356

Flowmaster 40 Series Delta Flow Chambered Muffler Style Upgrades and Parts 7L Hemi engine and factoryThis 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.