Connection diameter: 32mm (1 1/4 inch) High performance pit bike exhaust muffler for 125cc 140cc 150cc 160cc 200cc dirt pit quad bike made by Atomic thumpstar pitpro etc. This allows the bike to breathe with engine modifications.
For 125cc 140cc 150cc 160cc 200cc dirt pit quad bike made by Atomic thumpstar pitpro etc.
