So there is a youtube channel where the guy installs invidia q300

That ^
The ecu will adjust itself without a custom tune.
 
oh i thought you would need from what i been told on here?
You do need a tune to get any gains from an exhaust. Without it, the stock ecu tune will keep trying to adjust itself, and you could lose power.
 
You do need a tune to get any gains from an exhaust. Without it, the stock ecu tune will keep trying to adjust itself, and you could lose power.
see when this guy on this channel said no im going ok then he does not know much then.. Perhaps in his review he was disappointed in no performance gain...
 
Back
Top