Thanks for the response.
I have done a bit of reading and looks like the Z1 CAI have similar power gains (maybe a bit less) compared to the Stillen G3 CAI and has easier installation.
How is the sound volume with CAI? The sound with the CBE and HFC has a great note but is already a little bit loud for my liking.
Also for some reason there's a bit of drone at 2000-3000rpm especially noticeable at around 60mph. Would it be caused by the HFC? Is there a fix for this?
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