Well im posting for my friend, WE kno this is an evo forum but the WRX forum hasnt helped for jack. He has a 03 wrx with like 29000 miles on his car. He has a front mount, ebc, uppipe downpipe catback, and a intake. He had it up liek 2-3 psi's from stock for about half a year. Recently his car took a siht and wont boost pass 6psi's.... Took it to a shop and the shop said its not a leak in the pipes or anything, Do you think his turbo died? Thats a pretty ****ty turbo if its dead at 29000!!!! miles. Or could something else be dead

 

My buddy has the exact same set up. He had the same problem. He took it to a local shop. Turned out to be the MBC. He put it back to stock boost and it runs like a champ now. Try that first.