lol but ive saved 25kg Fontyyy.... woohoo I'm on a 100hp NSR missile!
As Andy says, stock pipes really take some beating...
MC18 stock pipes can produce up 62hp on a stock motor with abit of jetting.
MC21 stock pipes have seen to produce over 65hp with light mods to the bike. Neither really shabby in the hp dept.
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If I have to take the carbs off once more...