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      11-26-2014, 03:29 AM   #2
Coupes33
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Drives: 2006 335i, 2017 Audi S3
Join Date: Aug 2013
Location: Brisbane, QLD, Australia

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Quote:
Originally Posted by Socket View Post
Having read heaps of threads on this topic, I gotta say I am still confused
Apart from the extra noise from intakes, is with worth replacing the stock airbox or is it only important when running 20+ boost??

When I replaced the OEM air filter housing with an AFE twin cone filter intake, the difference was quite noticeable. It was like trying to breathe with your hand over your mouth and nose and then taking it away. The engine response improved as did the power. I already had AR downpipes and a HPF intercooler installed so the effect of the less restrictive intake was more noticeable. Noise levels from the AFE intake are no different to the OEM intake. At the time, I was running A Vishnu Procede V4 with 15 psi boost.
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