FMF Q4 HEX Yamaha WR450F/YZ450F (18-20)

The FMF brand specializes in off-road exhausts, drawing on their experience in Motocross, Enduro and Supermotard competition.

Q4 silencers specialize in exhaust technology that considerably reduces noise for 4-stroke motorcycles, without sacrificing power thanks to their larger bodies.

The Q4 model, designed with an insulator and complex baffles, offers a gain in power over the entire engine speed range, making it the best-performing silent exhaust on the market.

• Q4 HEX aluminum silencer
• FMF exhaust weight: 2.59kg
• Stainless steel connecting tube
• Stainless steel tip
• Spark arrester included
• Noise reducer included
• Closed course use only
• Compatible with original or FMF manifold