Quiet Muffler Insert for 5" Stacks

Exhaust upgrades often boast of their sound capabilities,but what if you want things quieter? A Dynaflex quiet muffler stack insert tones down your exhaust sound to within legal limits,and Iowa 80 is the perfect place to get it. This stack insert delivers free flow and does not impact back pressure in the exhaust.

Features:

• Complies with California Vehicle Code paragraph 27204
• Works with single or dual exhaust stacks
• Fits in 5" stacks
• Measures 38-inches long x 4-⅞” O.D.
• Aluminized steel

Dynaflex muffler stack inserts meet California Highway Patrol guidelines and reduce noise decibel levels between 5 and 7 dbA. Order your 5-inch muffler insert from Iowa 80 and enjoy a quieter ride on the road.

NOTE: Not intended for use with DPF systems.

INSTALLATION NOTE: The end with the most perforated holes goes towards the bottom. Muffler should sit inside the stack as shown in the picture. Force the muffler into the stack from the bottom with substantial pressure, like using a block of wood and a rubber mallet.