hey guys wondering if you can help me...b18c1 engine, t3/t4 turbo, dc sports exahust...dsm 450cc injectors...i pushed the car really hard one night...didnt blow anything im sure of...but i do kno since then at high rpm high mph driving (7-8k rpm and over 100 mph) i get kicks in and out...and the exhuast quietly putters at idle....i was thinkin spark plugs, injector resistance wiring, or valves need adjusting...any1 had this problem before or can anyone offer any insight