justin_o_guy2 wrote on 05/01/14 at 07:17:07:You say "Fires off" at shut down,, you talking Gunshot BANG or a good fart? Bang needs more playin with,, does it grumble & growl rolling to a top in gear? Does it backfire between gears? & is that a stock exhaust?
W/O the other ?s answered, giving advice is impossible.,