Originally Posted by Pennywise
Reading Performance Ford mag, and there's a fiesta with a zetec turbo lump on this manifold and makes 355bhp...
Thought they was being pushed at 300
whats the worst that can happen pushing that power through it?
350 is the max power from the standard exhaust manifold, and the fiesta power run was done on a engine dyno so you can take away 20-30bhp