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Discussion Starter #1
I just bought my '03 IS (dark grey, looks phat, love it!) and I was wondering what CAI or pop charger is the best to put on. I was think more of a pop charger cause I can switch the old airbox easier without voiding the warrenty. If you know of a good one how much WHP does it give and estimated cost.

PS Anyone on this board from the Long Island/NYC area PM me. I would love to get together and shoot the sh*t about the IS :chill:
 

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what the hell is a pop charger?

also no-1 makes a CAI for the is300

and before u ask the SRT intake is the best but its also $595 new
 

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I put a k&n cone w/ pipe on mine and it made it slower because it didn't come with heat box. I have heard that drop in filters are just as good anyway. But if you have $600 deffinetly go with the SRT I've heard nothing but good things about it and they claim it gives you double the HP of any other intake.
 
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