RN Vision STS has added a second Porsche Cayman GT4 Clubsport for the GT4 European Series Northern Cup and three rounds of the Southern Cup.
The team announced its first entry last month, with Gabriele Piana and Razvan Umbrarescu confirmed as driver.
Pavel Lefterov, 2015 GT4 Series Am class runner-up, and John-Louis Jasper will share the wheel of the second car.
In addition to the six-round Northern Cup season, RN Vision STS will enter the Southern Cup rounds at Pau, Barcelona and Paul Ricard, in order to fight for the overall series title.