Hey guys I am modifying my 86 s4 na. My problem is how to get my actuators to work properly after smog and rat removal? My exhaust doesn't supply much back pressure to operate them. I read once that some have put a system to operate by engine rpm. How do I do this or should I just remove them as I'm doing the car to primarily run above 3,800rpm. I've I remove them does anyone have a link to a set of block off plates?