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...

Hi-Flo end cap boosts all-around performance Computer-designed and dyno-tested for every 4-stroke application Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases...

The measure which others aim for With their lightweight titanium or extruded aluminum oval canisters mated to a perforated core, these silencers are above the competition Compatible...

Overall increase in power and torque Durable stainless steel and aluminum construction Advanced packing material for maximum longevity Removable spark arrestor included Compatible...

Developed over years of championship off-road racing Employs intricate chambers, baffles and proprietary multistage packing material Max Sound output 96dB Constructed from aircraft grade aluminum...

Developed to increase the horsepower and torque throughout the entire power curve producing a noticeable power increase that is usable and compatible with every style of riding Aluminum...

Overall increase in power and torque Durable stainless steel and aluminum construction Advanced packing material for maximum longevity Removable spark arrestor included Compatible...

Titanium Header for closed course use only. Compatible Vehicles Years Make Make Notes 2024-2026 Yamaha WR450F 2023-2025 Yamaha YZ450F 2024 Yamaha YZ450F 50th Anniversary...

Closed course use only. Compatible Vehicles Years Make Make Notes 2024-2026 Yamaha WR450F 2023-2025 Yamaha YZ450F 2024 Yamaha YZ450F 50th Anniversary Edition 2023 Yamaha YZ450F...

Similar Styling to 4.1 RCT big bike products, with an aggressive look & sound Superior power than stock systems Combination Quiet /Spark Arrestor insert included Available with titanium...