which is the best after market system for the hayabusa ?

[OB_burt]

att brock davidson,which exhaust system do you think would work the best on the hayabusa,any help you could offer would be appreciated. the bike is driven on the street has your clutch mod and lowering doglegs for the rear.it is takeing to the dragstrip twice a month during the raceing seasing, o it also has a 16 tooth front sprocket.. if you would like to e-mail the address is xlr8in@msn.com thanks again burt