Flowmaster Super 44 Series Chambered MufflerFlowmaster's Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a rich powerful tone and are the most aggressive, highest performing street muffler we've ever built in a four inch case. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.

API Service Class SN

pinion angle

Looking for the perfect balance between a mild tone while cruising and at idle

the autocross

The Street Extreme clutch kit is ideal for both the street and the track

Whether your classic Chevrolet B-body is a restoration project

MIL-L-2105E

(Single out side) systems are the perfect choice

everything else needed to install using full-size 1/2-inch fuel lines

as well as where most special synchromesh fluids are specified

poly/roto lowers

50-inch aluminized steel flowing into a Super 50™ Series muffler for a moderate exterior tone and mild to moderate interior tone