Flowmaster 30 Series Race Muffler 3 1/2" #53531-12 Product Type_Broach Bushing Body Diameter (in): 9

Body Diameter (in): 9

the pressurized system easily attaches in its place

100 x 8g x 3/4 S/S T304 CSK SQ/DR Ribbed Surefix Screws

Cutting diameter D1 11

Flute length 152mm

Flowmaster 30 Series Race Muffler 3 1/2" #53531-12 Product Type_Broach Bushing Body Diameter (in): 9The Delta Force 30 series race mufflers utilize Flowmaster's patented Delta Flow technology and are designed for race applications needing to meet the most stringent decibel level requirements at the track. These mufflers have excellent power characteristics with maximum sound reduction qualities. Durable fully welded 16 gauge aluminized steel two chamber race muffler Good decibel reduction over open headers No internal packing to blowout Race proven