Hey Guys, Im New To This Forum And 'League', Turned 19 Yesterday (13 Jan) And Got A GT Turbo Off A Friend For £1300, Problem Is At High Revs (Approx. 5-6k Rpm) It Loses Boost And Doest Feel Any More Boodt Coming, Once I Reach 5/6,000Rpm It Jut Struggles To Go Higher, Sometimes It Does Mostly Doesn't, Could Any1 Possibly Help?...Appreciated!