How's it going scott! Was at johns on sat! Big difference!!! Car feels great now! But I've got boost fluctuation from like 1.5bar to 0.8 to 1.5 etc! John advised it was n75, I've since changed it for new one with no joy! U didn't have any issues like this did ya? I've read up on boost fluctuation but no one gives a straight answer lol ur help would be great!