The head pipe is made of stainless steel. This has an optimized design, whereby a higher performance in the upper rpm range.
The standard head pipe fits the original exhaust and all other SlipOn exhaust systems.
The enlarged head pipe has a diameter of 38 mm (1.50") instead of 32 mm (1.26"). The diameter changed by 6 mm results in an enlargement of a whopping 44%. The head pipe only fits the XRacing SlipOn and complete systems of the second generation, with a connection width of 38 mm.
The head pipe is suitable for TW125, TW200 and TW225. It can also be used on the Yamaha AG200, BW200, TT200, TT225, TTR225, TTR230, XT125, XT200 und XT225.