Never had issues because you have never logged it or pulled a LV with it installed. If your "Subie tech" would like to have an in depth conversation that includes data and repeatable experiments proving the inadequacies and possible damage caused by a SPT intake, give him my number.
Some food for thought:
Cobb used to have a tech article posted on their site that specifically explained the deficiencies of the SPT intake (for the LGT) as well. It was pulled about 2 years ago (or so). It was written by Trey.