Originally Posted by tabetha
Scorpion reduces insize SLIGHTLY to offer some back pressure, needed for a turbo engine!!
Mine is std and 3 1/2" is the minimum size which is ample for at least 600bhp.
With scorpion you can also buy a pipe to replace centre box if you wish, mine makes ace power with scorpion.
tabetha
tabetha....are you mental?
A turbo engine needs back pressure?
Extensive testing has been done on the exhust on my car and it is the size it is for a reason.
