DynoMax Ultra Flo Muffler - 6" Round x 16" - 21" Overall Length - 3-1/2" Inlet, 3-1/2" Outlet 15-NEC-CAO-J These lifters are manufactured using

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

The UTCA062's heavy-duty construction eliminates control arm flex

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

300 in Bore

This replacement Nose section is built with our “Hi-Impact” plastic material that is designed to last a full season

DynoMax Ultra Flo Muffler - 6" Round x 16" - 21" Overall Length - 3-1/2" Inlet, 3-1/2" Outlet 15-NEC-CAO-J These lifters are manufactured usingDynoMax(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)