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hello

i previously had a stock exhaust and it would get to full boost (bout 9psi with r32 actuater) in 2nd gear

yesterday put a 3" catback in with what seems like a highflow cat (much bigger than my stock one)

and it now wont go past 5psi in 2nd. car is auto btw

also, are you supposed to notice much diference after this mod? or am i just not paying much attention? :S

please explain!?

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https://www.sau.com.au/forums/topic/245555-whats-wrong-with-my-car/
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is it laggy? the only thing i can think of is the actuator is stuck open

so the wastegate is never closed, which doesnt allow the system to build up much pressure

this would result in lots of lag as heaps of gas is sent out the open wastegate constantly

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