Hi, I dunno but to me it is alot of work for little gain, maybe some more noise, and a invalid engine warrenty. However if you like it then fine, beauty as they say...
Mk3 Focus Titanium X, 1.6 Ecoboost 150ps + Bluefin Remap
18" 5 Spoke Alloy Wheels
Manual 6-speed gearbox,,,