FMF Q4 HEX Muffler 044413 1821-1538 Armadillo Short Head Pipe Guard Fabricated from mild steel and

Fabricated from mild steel and expanded metal

Allows installation of O2 sensor into most exhaust systems

as well as structural integrity

Offers both 12mm and 18mm bungs in the stock location

190KSI to 220KSI

FMF Q4 HEX Muffler 044413 1821-1538 Armadillo Short Head Pipe Guard Fabricated from mild steel andThe Q4 employs intricate chambers, baffles and proprietary multistage packing material With the Q4 you dont need to hear the power, just feel the power! Less sound equals more ground Power gains throughout the entire rpm range Spark arrestor included Pounds lighter than stock Rugged design for off road endurance Made in the U. S. A.