Dynatech Vortex Cone Insert Muffler - Slips Into 3-1/2" Collectors 91619059 13 x 4 x 5

13 x 4 x 5 in

Simpson's utilizes its unique 4-way stretch material to provide exceptional TPP performance as well as ensure proper fit and excellent driver hand mobility

while internal machining helps to reduce weight

Air Lance for Air Jack System

289 and 302 Small Block

Dynatech Vortex Cone Insert Muffler - Slips Into 3-1/2" Collectors 91619059 13 x 4 x 5100% 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