For the money you'll spend on GruppeM intake isn't worth the performance gain. On the other hand I have an ARC induction box in my E7 and I really don't feel much of a difference. However then again it is really up to the wank factor. I'd rather spend the money from the GruppeM for something like a turbo back system. Or new coilovers.
-Paul
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PaulVII
PaulVII
Member Since 18 Apr 2013Offline Last Active Apr 25 2013 10:16 AM