Originally Posted by Sonic dB

I think I read that the 993s with "Varioram" engraved are faster and have more torque than those that do not. This is due to the increased diameter of the Varioram pipe due to the inscription, which leads to increased air flow and overall efficiency of the Varioram system.

Adds like 10 HP and 25 lbs of torque at 5200 RPMs....