As of Patch v1.75, painted variants of the Scarab have been on sale in the Item Shop, the first available one being purple. These variants are categorized as Import rarity, while the Orange variation and next variations that was released or return in the Item Shop is Very Rare.
As of Patch v1.81, New players that obtain this vehicle from drops will recieve the Very Rare version. If however you played Rocket League before Free To Play then it's rarity will be marked as Legacy.
Note - Even if you have the Legacy version of this vehicle body you can still get a duplicate from drops which will be the Very Rare version.
The Scarab appears to look like a beetle insect. It has two exhaust pipes on the topper and various fins on the rear end that extend away from the body when increasing speed, and more when boosting.
Availability in Item Shop
Purple, Orange, Cobalt , Forest Green and Titanium White are the only painted variations to have come out in the Item Shop.
Purple, Cobalt, Forest Green and Titanium White are of Import rarity, while the Orange painted version and all next painted versions is Very Rare.
All items purchased in the Item Shop are untradable, so all painted bodies of the Scarab are untradable.