Yes...you can do the exhaust without any tune. You will still get the much improved sound.
Originally Posted by Donm
Can the exhaust be done before the stage 1 and 2 ?
As Fernando Lamas might have said, It's better to sound fast than be fast.
2013 F10 550i M-Sport | Space Gray | ZMP | ZEC | 6-speed | Dinan Stage 3 Tune | Dinan Exhaust | ACS Springs | 35% Ceramic Tint