UFO MX Rear Fender - Blue YZ450F 2023 YA04890#089 Fatty Shotgun Exhaust System more aggressive exhaust note Welded

more aggressive exhaust note Welded from mild steel then bathed in a four-step chrome-plating process 4" muffler body uses a cooling chamber with proprietary technology to prevent blueing Feature scalloped chromed billet tips All necessary mounting hardware and instructions included

Baskets are CNC-machined from 2024 T-3 billet aluminum and plates from 6061 T-6 billet aluminum for increased durability and extended clutch life

When fitting this exhaust system it is advisable to optimize the carburetion by remapping the stock ECU unit or adopting an additional ECU unit

2-1/2" heat shields with a 222° wrap around for a non-bluing appearance

UFO MX Rear Fender - Blue YZ450F 2023 YA04890#089 Fatty Shotgun Exhaust System more aggressive exhaust note WeldedEither color matched to OE or in optional works colors Pre drilled pieces mount easily Made in Italy