chip questions

[big kel]

hello.just bought a superchip from someone on here. it works a treat but i want to know does it need setting up at all? when you change down the box fast it pops back out the exhaust????? is this normal?? its unburnt fuel i no that much!

 

[badinvincible]

Try PMing geoff_clio 182, he works for Superchips IIRC.