I added them at the same time i added drop ins..
Didn't notice a difference to be honest. But then again, i haven't tuned my car yet.
The ECU is supposed to recognize changes to the intakes..
The MAF tubes & drop ins have 1-3hp less gain then the Stillen g3's.. I would much rather save the $500 on the G3's and use it for something else.
But if you are constantly popping the hood and want to impress people, a bigger intake might be for you.
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2009 Brilliant Silver BASE 7AT | TEIN S-Tech Springs | K&N Drop Ins & z1 Maf Tubes | AAM S-Line Short Tails | 5% Tint | 20MM Spacers | Sport Spoiler NickTurnon's 370z Build
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