Wow! You actually use cruise control in this car?

Probably only useful to me if it can be set to 130 mph or more

 

Just had tubi exhaust and GIAC flash--no problems. BUT boy, did I get my value for the buck with these two mods. Woke the car up big time---night and day

 

For those that are having issues please contact me directly. We have found the issue with the ECUs. It is not the GIAC programming. It is actually an issue with Porsche and the PIWIS. Even if I did not do your ECU I have a solution to fix it. Please contact me directly.

 

Sorry to bring up an old thread. I'm just planning on getting the flash as my next mod and was just wondering if I should be worried if I took the car to the dealer with the flash installed? Let's just say I go in for an oil change or something.....

 

use two ecu and who will know a stock ecu and the giac

 

IMHO the first thing to do is to see if you have a dealer that will tolerate mods (and maybe even do them) or not. If they say no you have some thinking to do. It may be as simple as finding another dealer in your area that tolerates this stuff without voiding the warranty. Otherwise do a search for your answer