Thanks Guys
@ Sarosh this exhaust is a customized exhaust tested on Dyno...some bike fanatic in usa did it for his own bikes and asked me to check it out...i had options for yoshimura, two brothers etc but trust me it increased bhp by 8 and the sound is out of this world.
check this out
YouTube - R6 2005/R6S C4 exhaust
@han1911, ye gariya is liay rul rahe hay kionkay ye humaray pyaray customs walay bhaiyo kay paas kahre hain:)