When I had my dpf it would regen constantly on level 2 especially when towing. I use either 1 or 3 with the dpf. Trust me, do the dpf delete NOW. I am kicking myself now for waiting so long(40,000 km until I got the evo race and 3 weeks after that I got the exhaust)
WOW!!:eek: Yeah, they do have good support! I had a problem with my Evo Race and they sent me a new one no questions asked(except my address):h):h):D
I thought you were going to say you gave the tech support guy the serial number off of the device and he was going to charge the gasket to the...
http://www.professionalcarcare.com/Castle-Streak-Proof-Glass-Cleaner-p-16266.html
I use this stuff and it works perfectly. It also does really good on metal and chrome and stuff like that.
Most people don't have any codes or problems accept for the odd person that can correct it with the tuner itself so I would say go for it, I am thinking about doing it also soon.