Does the flow thru 507 work good, or do they take air really slow? I have the 507 that you remove on the truck but they sent the wrong ones for the fiver.
I purchased the TST system in May with flow-thru sensors. Yes, they are a little slow when adding air to my fiver tires ("G" at 110 PSI), but I can live with it. I sure like being able to glance at the monitor every so often when traveling to check temps & pressure.