Flowmonster 2-Chamber Muffler 42541-FM 2.50 in Offset Inlet 2.50 in Center Outlet rol improved power and throttle response

improved power and throttle response on smaller displacement 4 and 6 cylinder vehicles

Jones Exhaust was founded in 1968 and acquired by current owner David Landreth in 1991

Transmission Cooler Line Kit (Includes Inlet and Outlet Lines)

1999-2004 GMC Sierra 2500

Flowmonster 2-Chamber Muffler 42541-FM 2.50 in Offset Inlet 2.50 in Center Outlet rol improved power and throttle responseOverview: Hidden beneath your ride lies a powerful creature destined to dominate. FlowMonster chambered mufflers create an aggressive exhaust note giving a powerful voice to your car truck SUV. FlowMonster mufflers are constructed of 16 gauge aluminized steel and are 100% MIG welded for maximum strength and durability. The chambered design cancels out unwanted frequencies with no packing producing an aggressive exhaust note that will not change with