
ATV/UTV$6.36

FMF RACING
In stock · stock as of Sep 3, 2026
Shipping calculated at checkout
30-day returns on unused parts
The FMF Factory 4.1 RCT Spark Arrestor Insert is an essential performance upgrade designed for off-road enthusiasts and motocross riders looking to enhance their exhaust system's efficiency while complying with noise and environmental regulations. This precision-engineered insert works with FMF's Factory 4.1 RCT exhaust systems to provide both improved power delivery and the added safety of a spark arrestor, making it ideal for trail riders, desert enthusiasts, and anyone who rides in areas with strict fire prevention laws.



