FMF For 94dB Spark Arrestor Insert - 4.1 RCT 040678

FMF Racing Factory 4.1 RCT Quiet Insert 1-1/2" Spark Arrestor 040678

FMF Spark Arrestor Insert for PowerCore 4 Hexagonal Mufflers Motorcycle 040670

FMF Factory 4.1 Spark Arrestor 94db RCT Quiet Insert (2016 KTM Models) (040678)

FMF Racing Spark Arrestor Insert - 040678

FMF Racing Spark Arrestor Insert for Hexagonal Q4 Quiet Core Mufflers - 040671

FMF 94dB Spark Arrestor Insert - 4.1 RCT | 040678

FMF Quiet Core Insert for Factory 4.1 RCT Motorcycle Dirt Bike 040689 1861-1666