hombre_paulo 0 Posted April 11, 2012 VR6 Throttle Body. Has been internally polished and had the restrictive ridge sanded down. Causes no issues with idle and this mod claims to improve throttle response and give a power increase. Used on my car prior to breaking for many years with no running issues, cant comment on the power/response gains as never driven a standar VR6, but the theory stacks up £45 posted Share this post Link to post Share on other sites