DynoMax Ultra Flo Muffler - 6" Round x 16" - 21" Overall Length - 3-1/2" Inlet, 3-1/2" Outlet 15-NEC-CAO-J 300 in Bore

300 in Bore

1993-1995 Ford F-150 Lightning Standard Cab Pickup

These lifters are manufactured using the tightest tolerances in the industry to ensure peak performance in your application

Valve spring upgrade requiredThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

1995-2003 Chevrolet W3500 Tiltmaster

DynoMax Ultra Flo Muffler - 6" Round x 16" - 21" Overall Length - 3-1/2" Inlet, 3-1/2" Outlet 15-NEC-CAO-J 300 in BoreDynoMax(R) Ultra Flo? Welded performance stainless steel mufflers feature 100 percent welded construction for lifelong durability. The unrestricted, straight through design dyno proven to flow up to 2, 000 SCFM and support up to 2, 000 horsepower. Each muffler uses our exclusive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone. The "Pure Unadulterated POWER" of DynoMax(R)