Filter is free. E. Fuel System Unleaded fuel filler trap door and restrictor plate in filler neck may be removed. F. Ignition System 1. Any spark plug may be used. Any spark plug wire may be used.
Timing is free.
Master cutoff switch is permitted and recommended. G. Exhaust System 1. Single pipe exhaust after the OEM front down pipe. Muffler diameters are free. Must exit behind rear sub-frame.