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      01-09-2013, 03:44 PM   #19
Tylerstar's Avatar
Drives: Straight Piped F10 M5
Join Date: Oct 2009
Location: Miami

Posts: 914
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Originally Posted by Fly M5 View Post
Hey Dave! this bothers me as i feel my car takes longer to spool up.
I feel with not having a closed box i'm losing air and pressure.
Im gonna have mine checked this weekend when it's in the shop. I feel the same way, mainly when in the day when its hotter out. I have had various results on runs against different cars so this is definitely a concern.
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