Weber Sports actually has a widebody option now, but there are very crappy pictures out there, and its not even listed on their website despite being shown at Tokyo Auto Salon 2017. Annoying
A company called "Vlene" makes fenders that are rivet free and extend to factory seams:
https://myjapandirect.com/product/vl...ssan-370z-z34/
I completely missed the widebody the first time i looked