The straight through design of the spark arrestor canister and the performance flow stainless steel end cap ensures strength, durability and most importantly, track and trail proven unrestricted power
The 2.1 utilizes a shape inspired by the 4.1 system
Utilizes exclusive FMF "Turbine Dampening System"
U.S. Forest Service legal status
FITS - 2021-2023 Gas Gas MC 50, 2017-2023 Husqvarna TC 50, 2016-2023 KTM 50 SX
