DynoMax Ultra Flo Muffler - 6" Round x 16" - 21" Overall Length - 3-1/2" Inlet, 3-1/2" Outlet Bar Mounts Package of 24 shims contains

Package of 24 shims contains 12 silver 60°

Factory length for '64-'86 Chrysler 273-360 V8

1986-1991 Ford E-250 Econoline

Heavy duty compressor

DynoMax Ultra Flo Muffler - 6" Round x 16" - 21" Overall Length - 3-1/2" Inlet, 3-1/2" Outlet Bar Mounts Package of 24 shims containsDynoMax(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)