From a handling standpoint especially from a steering feedback and linearity standpoint, the front lower control arm bushing is the best bang for your buck out there probably even better than the coilovers if you can believe that. The stock steering has a kind of rubbery feel, and replacing the lower control arm bushing means that not only do you not get toe or camber change in hard cornering you also get a much clearer impression of how much work your tire patches are doing. I think it takes the steering from good to great. As I said for the money it's the best bang for your buck out there in the handling game. Even my wife who is for sure no Car Junkie agrees that the car handles and steers better with the front lower control arm bushing replaced. She insists that everything I do to my car I duplicate on hers at this point. Who would have predicted that?I got my MPP Adj Comfort Coilovers (waiting to be installed) and am now debating if I want a few other related parts: 1) rear upper control arms, 2) rear toe arms, 3) Solid Front Lower Control Arm Bearings.
I will not track the car and don't do much spirited driving anymore , but still very much like to feel the good handling from a daily driver. I will lower the car with the default recommended settings. Any recommendations on if some of the above parts are no-brainer to have or good but necessary?
As for the other stuff, there is no stock camber adjustment at the rear so when you lower the car you'll pick up some negative camber. That's probably okay because if set to the default ride height the MPP coilover kit probably puts the car at about 1.5 to 1.8 negative camber on the rear. That's fine for Street.
As for what you refer to as the "rear upper control arms" I'm not sure what you're talking about but I assume you're talking about the traction and trailing arms? The impact of those is more subtle. I experience them as tightening up the backend significantly. But if you don't track the car they're probably the least critical item.
The coilover kit plus the lower front suspension bushing are for sure going to synergize in terms of your day-to-day driving and handling. Please do report back with pictures and impressions but I think you'll love it
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