I've got Philips X-Treme vision in mine

http://www.amazon.co.uk/Philips-X-tr.../dp/B00440CWBW

Still a 55W lamp, but they burn hotter so less life, but definitely brighter.


Another thing that myself and other members have done is to wire the dip and full beams together

as detailed in this thread:

http://www.xt660.com/showthread.php?...ve+flood+light

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Bike: 2013 XT660Z, TKC70 tyres

Mods:
Barkbusters, Scottoiler, DIY Tail Mod, DNA Stage 3, Power Commander V & O2 Eliminator, Exan X-Black Stainless exhaust, Tool tube, Ohlins linear front fork springs, Nitron rear shock, JT front and Supersprox rear sprockets, D.I.D. VX 520 chain, Adventure Spec bashplate, DIY USB Outlet, DIY chain guide, Kev's Throttle mod

http://www.facebook.com/onemooseonemotorbike