Quote:
Originally Posted by johanness
They heat-soak when ur stuck in traffic. As soon as you start moving (I.e track duty) your AIT's are the same as any other intake including stock. "Heat-soak" is thrown around far too much
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I'm assuming the majority of people are stuck in traffic more so rather than not
Quote:
Originally Posted by pokeybritches
The Simota and Gruppe M look fairly different from one another. I don't think the Simota is a replica.
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I didn't look into the Z4M one, but the E46 non-M Simota ones that I had experience with were identical to the non-M GruppeM.
GruppeM had a
really nice M version though for the E46 M3, and it even came in carbon/carbon-kevlar. Simota did not try to replicate that as far as I know