This 2016 Molecule is a street-legal custom designed and built by the seller. Power is supplied by a K20Z1 VTEC inline-four, which is mated to a 6-speed manual transaxle with limited-slip and mounted amidships in the exoskeletal tube frame. The powertrain was sourced from a 2006 Acura RSX Type S, and the curb weight is estimated to be around 1,500 pounds. The seller initiated the project three years ago and completed it in May 2016. 3,000 miles have since been added, and the car has been track-tested, certified for road use in Tennessee, and now carries a valid VIN and current Tennessee plates. This unique custom is registered as a Homemade Tennessee Vehicle and is now being offered with a clear Tennessee title.

The powder-coated tube frame chassis utilizes an adjustable double-unequal-wishbone suspension with custom-fabricated DOM steel control arms and bellcrank-style coilover motorcycle shocks designed for the Yamaha R1. The seller notes that the stock Acura RSX wiring harness and ECU have been retained. Up-close photos of the chassis construction and suspension design can be seen in the gallery below.

The braking system consists of Mustang II spindles and calipers in front, and RSX components in the rear. 18″ XXR 521 wheels wear Toyo Proxes tires. Aluminum panels form the floor pans and lower cockpit surrounds.

The interior features a Grip Royal steering wheel and a stock Acura RSX gauge cluster, steering column, shifter, and linkage. An aftermarket ammeter and fuel gauge can be found on the simple center stack along with a handle operating the integrated fire-suppression system. An alloy rack-and-pinion steering system rotates 1.5 turns lock-to-lock, though the seller states that a better rack could be installed. A spare Momo wheel is included with the sale.

Padded Corbeau racing buckets are equipped with 4-point Sparco harnesses. Wilwood adjustable pedals and a brake bias are also fitted.

A 2.0L K20Z1 VTEC four-cylinder motor and 6-speed manual transaxle drive the rear wheels through a limited-slip differential. The drivetrain was sourced from an Acura RSX Type S with 94k miles, and an additional 3k miles have been driven since. A 10-gallon fuel tank is mounted between the engine and driver’s compartment.

The VIN assigned by the State of Tennessee can be seen above. Driving footage from an autocross event can be seen below.