had the thundermax for about a month now.07 heritage .un bloody real.k+n high flow sucking the air .only got sonic slip ons.anyone give me an idea on a better set of pipes.cheers lucky.
gidday tappethead ,thanks for the reply,scotty reckons s+s would be the go ,haven't done anything yet,do you reckon a 2 into 1 would look any good on a heritage???cheers mate.
Hey Lucky,
Brian at Eastern Big Twin reckons the Sonic slip ons flow real well. Says they get figures that are better than most on the dyno and for a bargain price.
DAve
