mk2 leon cupra

Hi all I have a mk2 cupra running stage 2+ 370 bhp with all supporting mods and I've lost all boost , however it still makes the fffff ttt ttt ttt noise lol. It still drives absolutely fine and is not blowing any smoke. I've changed the n57 valve and still nothing. Then I plugged it in and have...

Hello to everyone. First off I absolutely love my mk2 Cupra. Previously owned a mk2 diesel FR. Looking for some advice if possible and apologies if it's already been covered. There is a knocking noise coming from near side wheel area when I turn slow and tight. I'm thinking I have an issue...