FMF Racing Turbinecore 2.1 Spark Arrestor Silencers. The latest generation 2-stroke performance silencers from FMF. The 2.1 utilizes a new shape inspired by the 4.1 system.Utilizes exclusive FMF "Turbine Dampening System". 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. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Exhausts & Exhaust Systems\Silencers, Mufflers & Baffles". The seller is "big_country_motorsports" and is located in this country: US. This item can be shipped worldwide.