Dynatech Vortex Cone Insert Muffler - Slips Into 3" Collectors Torsion Clip but BMR insists on this

but BMR insists on this operation as part of our spring manufacturing process

4 in OD Wheel

Constructed of two layers of material

All our products provide unique formulas developed with the application in mind first

this flat one-piece guide plate set is designed for Pontiac 350-455 and AMC 290-401 engines with 7/16" studs and 5/16" pushrods

Dynatech Vortex Cone Insert Muffler - Slips Into 3" Collectors Torsion Clip but BMR insists on this100% 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