lo every1, im needin advice i hav a R reg punto sporting 1.2 16v, i want a dump valve but i aint got a clue about how and how much? do i need a turbo aswell? can sum1 please help me out wi wat i need n costs cheers
A dump valve releases the air pressure that the turbo makes when you lift off the throttle, hence the pisccccht noise. Not of any use at all on a non turbo car, sorry.