Danny,
We supply sme little threaded tubes that need to be tapped into each body after the throttle blade. From there you can either link them all up with T-Pieces.
If you still experience oscillating map readings, you can either use a large volume of pipe or a small box to conect all the hoses to before running to the ECU to smooth out the valve pressure waves and standing waves etc.
Thank god the V4 has 4D mapping otherwise it would be tricky!
Matt
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