Tiak tiak tiak sound only bother those who drive with the door and bonnet open. Door and bonnet closed, I really cannot hear any tiak tiak noise. Got many many other noise though...
Share lobang with you all...After installation, I felt a BIG increase in power, but I have turned it down a little as there was some "turbo lag" feel at the default setting. Supposedly increases power to 237hp on default setting. Based on my acceleration testing(at lower setting), it is probably closer to 210-220hp.
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$809 nia at autostrasse. MTL!