Paultvx,
The vacuum or airtemp sensor is near the throttle body on the Alpine and the MAF is located just behind the airfilter. In order to avoid cutting wires to accomodate the new "hole" for the vacuum sensor (which is now closer to the filter than the OEM design), a rubber tube was inserted into the elbow "hole" and the tube was cut to length and the sensor inserted into the other end. This avoided a splice in the wiring and I've had no problem with it. On the other hand, the SC intake supplied with the Alpine is further away from the fresh air source and I would be interested in your design.
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