PRO CIRCUIT 304 Silencer SK94125-304 High Flow Air Filter This system performs like it

This system performs like it looks and looks like it performs

4 Braced Lambda sensors (1 on each down tube) for cylinder specific tuning

2019-2023 Yamaha YZ 250 F - - 2018-2023 Yamaha YZ 450 F

Made from high-strength steel with heavy-duty mounting brackets and comes with a pad

1 hour Clock 12/24H mode Volt meter 8 to 18V Volt meter 8 to 18V

PRO CIRCUIT 304 Silencer SK94125-304 High Flow Air Filter This system performs like itThe slightly longer body offers added top end performance while reducing noise output Longer body design helps to reduce noise output 6061 T6 brushed aluminum silencer body Stainless steel inlet tube and end cap Tig and mig welded for strength and durability Double walled mounting bracket(s) Allen head screws ensure easy repacking when needed for extended product life Made in the USA