I am about to replace my standard WRX STI exhaust system with a full decat system from Scoobysport, do I need to get the car set up on a rolling road?

 

Nope!

 

You may want to check the lambda values though. I heard STIs are a little on the lean side...

 

Your going to have to ensure that the restrictor plug is sorted or you may end up getting big boost spikes to 1.7bar
Pete should be able to sort you out, i take it your going to scoobysport direct for your exhaust and fitting?

Tony