Air filter at track?
i have the bg ram air kit and am putting gown about 430 rwhp na. my car was tuned at an elevation of around 700' and since then i have moved to el paso (3700'). i also have an nx maf kit that i plan to use this weekend. would it help me?
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11 Second Club
Joined: Feb 2002
Posts: 955
Likes: 4
From: Silver Spring, Md.
FWIW, I pulled my STP paper filter, in between dyno runs, and picked up absolutely nothing. Maybe it's one of those mods that doesn't work while the car's sitting still...just like ram air. 
TECH Senior Member
Joined: Nov 2001
Posts: 9,246
Likes: 3
From: Troy, AL
My dyno runs have always shown about the same with or without the filter too...but there's no doubt it helps me at the track. I am curious as to this being the case if I didn't have the FTRA kit.