exhaust querie/help?

  1. #1
    hello

    i have a 1.4 furio, basically i want my exhaust to back pop a little more how can i do this?

    atm i have a piper 4-1 stainless mani, standerd center section wich is one solid pipe no boxs, an a 3" rolled tip backbox, it rasps loads but barley back pops,

    any ideas?

    thanks
  2. #2
    Remove the CAT ie decat it.

    Steve.