FMF 022073 TurbineCore 2.1 2-Stroke Spark Arrestor Silencer

The FMF TurbineCore 2.1 is the world's best-selling spark arrested exhaust silencer for 2-stroke off-road motorcycles. Engineered as the latest generation of FMF's 2-stroke exhaust technology, the TurbineCore 2.1 features a design inspired by FMF's acclaimed 4.1 four-stroke system, delivering race-proven performance with USFS-approved spark arrestor compliance.

At the heart of the TurbineCore 2.1 is FMF's exclusive Turbine Dampening System — a built-in, non-removable internal spark arrestor that provides unrestricted exhaust flow without the clogging issues associated with screen-type spark arrestors. This screenless design is especially critical on 2-strokes, where oil-rich exhaust can quickly foul a mesh-style arrestor and rob power.

Key Features:

• USFS-approved internal spark arrestor — U.S. Forest Service legal for trail and off-road riding
• Exclusive FMF Turbine Dampening System keeps noise low without sacrificing power output
• Non-removable spark arrestor eliminates exhaust restriction unlike screen-type alternatives
• Larger diameter aluminum alloy canister for increased tunability and longer packing life
• Race-tested smooth power curve throughout the entire RPM range
• Gray anodized aluminum canister construction — lighter than stock
• Stainless steel midpipe and stainless steel end cap for strength and durability
• Single configuration slip-on design — compatible with FMF pipes or stock headers
• Manufactured in-house at FMF's USA facility

The TurbineCore 2.1 delivers a crisp, notable exhaust note while maintaining legal trail compliance, making it the ideal upgrade for 2-stroke enduro, cross-country, and off-road riders who demand performance and forest access in one package.