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Airbox deflapping question....

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Old 01-25-2008, 04:43 PM
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Default Airbox deflapping question....

So i've been reading old threads about deflapping the airbox and think i wanna give it a shot. The one thing i can't definitively seem to find out is if it can be done w/o removing the front bumper. For me that would shelve this little project in a hurry. Any comentary from the (experienced) peanut gallery?

Thanks!
Old 01-25-2008, 04:47 PM
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No need to remove the bumper. Just remove the airbox.
Old 01-25-2008, 05:43 PM
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Default Just remove the flap.

"My mind reels with sarcastic replies."
Old 01-26-2008, 04:15 AM
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Default This peanut thinks it can be done either way

<center><img src="http://pictureposter.audiworld.com/109574/flapper2.jpg"></center><p>
And neither is easy, but if you're willing to get rough with your air box, it CAN be pulled out from above, but it requires some muscle. If you also remove the horn as others have suggested, the airbox will go back in MUCH easier.

The theoretical advantage of removing the horn is that colder air might be drawn in, others think that the horn is integral to good flow dynamics and leave it attached.

I removed the bumper to do the clear-corners at the same time. My horn is still attached to the airbox but the flap is gone. BTW, forum guys on the other side of the pond think we're all nuts for pulling the flap.
Old 01-26-2008, 05:07 AM
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Default Re: This peanut thinks it can be done either way

OK thanks. I ve got most of it apart but cant figure out the damn top clip that holds the airbox to the inside of the fender. Any tips?
Old 01-26-2008, 07:50 AM
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Default Re: Airbox deflapping question....

<center><img src="http://pictureposter.audiworld.com/90407/flappity.jpg"></center><p>Ok its done. That was easy, chewed the crap out of the retaining clip b/c it just wasnt cooperating, broke 2 hose clips and cant find the flashlight i was using. Tried to get it back in with the horn for about 2 secs and gave up on that. Not entirely sure the airbox cover over the filter is completely on but was running out of knuckles to skin. All in all a rousing success. Looking forward to using my 4 hp to crush lambos.
Old 01-26-2008, 11:16 AM
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Default Sorry, to be honest with you, when I tried to pull it out from the top...

it just required way too much muscle, and I didn't want to break anything so it was on to Plan B (bumper removal). Others here can help I'm sure.
Old 01-26-2008, 12:37 PM
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Default Re: Sorry, to be honest with you, when I tried to pull it out from the top...

Yeah i went the muscle route and some clips got broken and some blood was shed. Nothign serious. Thanks!
Old 01-26-2008, 05:52 PM
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Default How long for the ecu to recalibrate to the extra airflow?

just wondering if it does this fairly quickly or takes a few hundred miles....
Old 01-27-2008, 07:17 AM
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It will happen immediately.


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