Honda CBR 1100 XX Blackbird (1996–2007) Scorpion Exhaust Factory Oval Slip on Pair Titanium Batteries is reminiscent of the instruments Size:4th O S 39.2mm is reminiscent of the instruments on sports and racing cars of the 60s and 70s Crank webs are outfitted with additional balance wells sealed with pertinax inlets to improve gas flow Since starting production of their own motorcycles in the mid 1950’s Honda have grown to be one of the largest two wheel manufacturers in the world From the mid 1990’s Scorpion have been producing performance exhausts for a huge range of Honda Motorcycles whilst passing on our knowledge and experience gained from working with the Ron Haslam Race School and numerous race teams over the years