FMF Racing® - Factory 4.1 SL™ 4-Stroke Silencer

Universal Factory 4.1 SL™ 4-Stroke Silencer by FMF Racing®. Excellent fit, finish and attention to detail. Canister shape and size is lighter and more performance-optimizing. Front and rear end cap designs developed to enhance fit, function and style.

Specifications

Features

• Horsepower gains throughout the RPM range
• Advanced engineering and patent-pending design
• Optional quiet inserts and spark arrestor
• Titanium silencer construction paired with durable stainless steel midpipe
• Use with stock or FMF header
• Designed for your exhaust system needs
• Will deliver unparalleled performance
• Exquisite workmanship and great longevity

Over the decades, FMF Racing® has seen an amazing transformation in the world of motorcycles and ATVs. The progression of the technology is one of the challenges that keeps them going. FMF was there in the days when the singleshock and watercooled engines were huge innovations and FMF is glad to be here now for the aluminum chassis and electronic fuel injection. The goal will never change - take the most advanced machinery to its limit by building the world's best performing exhausts. And its a fact, FMF build every exhaust by hand from start to finish right here in the U.S.