>>
Bob is partly correct - the pipes MUST NOT be shortened, as the new Omron
airflow sensor will detects improper airflow and shut off with an fault
flash code. The pipes can each be extended to 2 meters total length using
additional sections of the same type flex pipe.
<<

I have the orange 90's era Propex.  I don't think that it senses that as I
had the exhaust tube going out the side of the van and the intake had no
tube at all.

Thanks,
Bryan