Ever since I install the M2 medium intercooler , my boost problem is give a hard time. The primary turbo kicks in but there is no power and I also heard swoosh noise from there engine. Please tell me what to check first?

thanks for your respond.

 

oh sorry my is an fd.

 

check the intercooler piping

 

Thank you montego for your advice it is the rubber coupler, it has a tear in it. Once again Thank you