Grip Fiends

Grip Fiends is a bonus series of Open Sky Challenge which can be found within the Master racing career. Players can unlock the series by collecting 22 trophies in Open Sky Challenge. In the series, players can participate in 38 events separated into 17 tiers.

There are three cars from which the player can choose: KTM X-Bow R, Audi R8 LMS Ultra and BMW M3 GT2 ALMS. These cars all share one common characteristic - fiendish grip, as the name of the series implies. To complete this series requires the player to spend some, as the KTM X-Bow R can only be bought with. Throughout the series, players can earn up to R$57,000 and 57 in progression bonuses.

This series can be completed without  upgrades.

Description
"These extreme machines compete not with brute force but with superb traction."

- In-game description.