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.
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.