I'm lowered on Tiens springs and have 15mm spacers all around and there is absolutely no issues with rubbing. The fronts do not extend past the fender and the back are pretty much even with them, so I don't think there should be any problem with weel gap on the width. As far as height, there will be a little more gap on the fronts and about the same on the rears.
So far I have no complaints with them as they are a lot quieter than the stock Yoko's and the performance is comparable. The sidewalls are softer and you can feel it when you make them work, but they are every bit as sticky. Well...I will see how I feel about them after adding another 200whp!!!
