When I accelerate, the engine hesitate and sort of misfiring when it hits full boost @ 3500rpm. FYI, my car is still running stock with only, Apexi air filter, HKS BOV and HKS exhaust. And worth to mention, my engine...
my car jerk while i turned on the turbo
first i tought i was the air intake
but when i go to my friend's workshop
it was the TD04 turbine prob. one of the fin is bent...