Dynatech Vortex Cone Insert Muffler - Slips Into 3" Collectors Torsion Clip Constructed of two layers of

Constructed of two layers of material

Dana has produced the drivetrain components trusted by OEMs for everything from street cars to heavy-duty off-road trucks

PowerStep XL™

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

4 in OD Wheel

Dynatech Vortex Cone Insert Muffler - Slips Into 3" Collectors Torsion Clip Constructed of two layers of100% 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