RayChezExplorerJan 09, 2014K&N filtersNeed your opinion. I am at the FMCA rally at Indio and there is a vender selling K&N washable air filters for big diesel coaches, plus this includes installation of a Aero exhaust system. They cla...Show More
mike_brezExplorerJan 09, 2014Go to your Cat dealer. They should be able to bump up that 330 to a 350. Muffler yes would never run a K&N in anything.