Flowmaster 40 Series Race Muffler 409S - 3.50 Center In / 3.50 Center Out -Aggressive Sound H777C02L OE style steel mounting brackets

OE style steel mounting brackets fit OE and fabricated valve covers with factory mounting bosses and have a black epoxy-coated finish

It has a 120mm opening for maximum flow and is capable of over 1

It design keeps the skirt tight to the helmet without the use of Velcro and helps eliminate dust

1/2-20 in Stud and Nut

Flowmaster 40 Series Race Muffler 409S - 3.50 Center In / 3.50 Center Out -Aggressive Sound H777C02L OE style steel mounting brackets40 Series Race Muffler 409S 3. 50 Center In 3. 50 Center Out Aggressive Sound Universal Race Muffler Not a direct fit. Some adaptation required. The Delta Force 40 series race mufflers utilize Flowmaster's patented Delta Flow technology and feature excellent power characteristics with good sound reduction qualities. Recommended for all racing applications where mufflers are required with a substantial decibel reduction over open headers. Please call