What sort of power can an exhaust of 70mm diameter handle before it becomes restrictive???
What sort of power can an exhaust of 70mm diameter handle before it becomes restrictive???
was running 300bhp on 2.75inch exhaust.
almost got round to running 400+ till crash.
had big high flow cat from jabbasport, and 3" downpipe
Cheers fella,260 will be easy then.