Hexagonal Spark Arrestor Slip-on Muffler Yamaha YZ450F 2010-13 1821-1571

OWERCORE 4-BAR COCKPIT CONNECTING MUFFLERS
Hi-Flo end cap increases versatile performance
Computer designed and dynamically tested for each 4-stroke program
Improved sonic evacuation provides greater exhaust gas flow, which increases power
Stainless steel mid-tube matches computer-designed rear can for lightweight durability
Round perforated steel inner cores ensure optimal flow using hi-flo technology
FMF's exclusive cross-weave inner packing ensures durability and maximum sound dispersion
Elliptical aluminum can offers strategic sizing for superior performance
If desired, the optional Quiet Core insert will reduce sound levels
Features a screen-type spark arrester that does not interrupt exhaust gas flow or operation

Adaptability: