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I cant speak for the Gruppe M but if its like the ones for BMWs- high dollar unless your into the bling factor of all that CF

The Password uses the stock air-boxes (drop in filters) which will not perform/ flow as well as 3" intakes.

If you like carbon fiber, there are some 3" cone intakes that are made with CF. Might provide the look your after with better performance too. Just my thoughts
 

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Discussion Starter · #3 ·
thanks, was looking for something to keep panel filters but think will go for the 3 inch, can I install that without modifying ECU, am now running Y pipe and Ecutek.
 

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The 3" intakes will require a tune on your Ecu-Tek. A 2.75" intake would not.
 
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