Easy 5 star rating. First of all, the build is amazing, the welds and polishing of the exhaust is beautiful, too bad it'll probably get dirty a lot but hey it is what is. Furthermore, the sound is amazing as well, arguably the best sounding exhaust for the Z. Really wish it was titanium for weight reduction because the entire system is pretty heavy. The burnt tips really stand out as well and I think 4.5" is just the right size. Overall, I am extremely happy with this exhaust system.

Don't even question this, buy it