my opinion only, but id say not, what size engine you running, even the power pipe exhaust(32 up to 38mm exhaust is enough for the bigger engines), but dont get me wrong they look trick and if your after look and run atleast a 140cc then go for it if you are really keen for the look factor, there is a slightly different exhaust note due to having twin pipes, you cannot run a piggy back resorvoir shock with the dual pipe though and would not even reccomend it with an engine under 140cc as you need some back pressure.