One-off collection of grillz is inspired by models including the R34 GT-R.One of the grillzs is finished the colors of Nissan’s Formula E car. Four designs came together with Nismo’s input, each pulling from a specific piece of Nissan hardware. Watch: World’s Fastest Manual Nissan R34 GT-R Sets New RecordServing as inspiration for the final two is the famed yellow Pennzoil-sponsored Nissan GT-R R34 race car and one combining silver, white, and red, just like Nissan’s GEN3 Formula E Evo race car. While one may have expected Nismo to work with LOUD MOUTH LDN to create a collection of grillz available to shoppers, it describes this as a one-off collection, so they won’t be available to purchase. Jeweler Has Its Say“This collaboration was something completely different for us,” founder and director of LOUD MOUTH LDN Reece Garcia said.