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      07-05-2012, 03:01 PM   #28
sparoz
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Drives: VO 1///M; AW X3 30d
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In theory a CAI will have a little more impact on a car that has a FMIC compare to a dual cone. I am certainly looking at the GruppeM as well, but I am not convinced it is better than the aFe2. It certainly looks better and it might flow better, but the question is how the K&N filter stacks up to the aFe's? Most people rate aFe's filter better than the K&N. I would seriously think about the GruppeM if it could use the aFe filter.

After all, CAI only gives about 8 degree difference, so you are looking at <3% of performance gain max over a dual cone without calculating insufficiencies. GruppeM is like Akra, there are options which cost 1/4 of it that do almost the same job. You are just paying for bling. I would most likely do the Akra plus Gruppe. Just like China, the 1M is 115k in Australia, 2k is small in comparison.
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