does it actually do anything at all?
anyone had a valver manifold and a supersprint one (gunner) how do the 2 compare?
does it actually do anything at all?
anyone had a valver manifold and a supersprint one (gunner) how do the 2 compare?
Valver one made my Williams slower, took it off as it wsa shite, I have one spare if you wanna buy it ;)