Green’s Dictionary of Slang

maserati n.

[fig. use of the automobile name]

(drugs) an improvised crack cocaine pipe, using a spark-plug cover and a plastic bottle (cf. lamborghini n.).

[US]T. Williams Crackhouse 150: Maserati crack pipe made from a plastic rum bottle and a rubber sparkplug cover. Also called Lamborghini and Kabuki.
[US]ONDCP Street Terms 14: Maserati — Crack pipe made from a plastic rum bottle and a rubber sparkplug cover.