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      08-22-2011, 01:10 PM   #7
O! So Sour!!
nusevad's Avatar

Drives: Fast 240z / Slow M3
Join Date: Apr 2007
Location: 'Merica!

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1971 Datsun 240z  [0.00]
2008 M3  [4.80]
Originally Posted by armyav8tor View Post
So what is causing the rattling noise with the MS filter? I'm about to jump on the green filter boat, my car makes this funky noise when I'm hard on the throttle at lower RPMs. Didn't have this noise until I put the Akrapovic Evo system on.
Not all air filters are plagued by that noise. My MS filter didnt have it. Some people have it on their AFE filters. I think it has to do with either the construction of it, or perhaps they did not install it correctly.

If anyone is interested I have my MS filter for sale, still usable, only has about 7K miles on it.