Originally Posted by bpchaos

I've had a TBW one on my G37 for about 4 years. It's an early design, without the center riv-nuts (it uses the cheap push pin style fastener) and it's just started to rattle. Mostly because my bumper doesn't really line up any more. I'm also not really a fan of the step from the bumper to the subframe.

https://photos.app.goo.gl/carVjBhk3V5KVEyD9

If your car is an older car or has a bumper that is slightly misaligned, I might suggest the Z-Speed one that is a single piece. Mostly for the rigidity, but also for the alignment.