HMF Engineering
6946006
04-13 YAMAHA YFZ450: HMF Quiet Core Insert
SKU: Z08-7046
Complete Systems
HMF Quiet Core Inserts work in all sport series pipes.
Simply remove the 3 bolts holding the endcap, swap with the factory spark arrestor, and bolt the cap back on.
Reduces noise by about 8-10Db.
Hmf Part #6946006
Rpl Quiet Core
Package Quantity = 1
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