I installed my FRPP "C" springs yesterday. I haven't driven the car much since the install, but so far I like it. My car would drive straight on a perfect road, but would chase all the grooves in a bad road. It still does that, but not nearly like did with the stock springs. I haven't noticed it being any rougher, but the nose doesn't dive as much when I hit the brakes. I installed the rears first by lowering the lower control arm. When I put the car back on the ground, I couldn't really tell the rear had been lowered. I installed the fronts next and I thought they were easier than the rears. It took longer for the front, but I wasn't laying on the ground on my back either. The front is lowered a noticeable amount. I like it, but I assume the rear will settle and lower more? I can take my hands off the wheel and the car goes straight as an arrow, do I still need to get it aligned?