Dynatech Vortex Cone Insert Muffler - Slips Into 3" Collectors 500020158 750 in ID x 0

750 in ID x 0

Studs and nuts weigh less than 50 grams

2007-2007 Blue Bird Vision School Bus

3/4 in 36 Spline to 9/16 in 26 Spline

Dynatech Vortex Cone Insert Muffler - Slips Into 3" Collectors 500020158 750 in ID x 0100% T 304 Stainless Steel Construction Compact Size Fits All Racing Applications Ultra Lightweight Less Than 1 2 lb. each Little or No Power Loss Easy Bolt Installation Insert Cones on 3", 3 1 2", 4", 4 1 2", 5" Turn Down with Insert Cone in 3", 3 1 2", 4" How It Works: The Vortex Insert Cone, installed near the exit of the header collector or muffler outlet, provides a large friction area to reflect and dissipate sound energy, thus reducing the dB