For those seeking to improve their engine silencing, there are many options out there including many ‘universal fitting’ bike boxes. Demon Tweeks supply the Viper Round Race Can in polished ally and in a number of other finishes. The DT price with the Pole position Discount Card is £89.68 on the doorstep next day. Search for:BIKEXC101
You can also buy a mute to go in the end which reduces the noise further and helps to increase back pressure which then brings the torque curve down the rpm scale and makes the car easier to drive – bit of a win win. The baffle is best bought on e-bay at about £13 + carriage.