expansion chamber help

Discussion in 'Performance Mods' started by pedropete91, Jun 15, 2012.

  1. pedropete91

    pedropete91 New Member

    hey i have an a80 36t speed carby i put my mates expansion champer on my bike and didnt really make a difference (sound wise) sounded allmost like my stock exhaust when we put it back on his it sounded like a 2 stroke any know why this is?

  2. Fabian

    Fabian Well-Known Member

    I would be happy that the expansion chamber sounded as quiet as the stock exhaust - please tell me the secret for making it so quiet...