RM Engineering GT4+ SPLITTER KIT For TOYOTA A90 SUPRA

Ridgeline Motorsport GT4+ Aero Kit

Engineered for Maximum Performance. Inspired by TOYOTA Motorsport. Proven on Track.

The Ridgeline Motorsport GT4+ Kit is our ultimate aero package for the A90 platform—developed using the aesthetic foundation of the OEM A90 GT4 and evolved beyond GT4 rule-book limitations. By redesigning every component around real-world data, we’ve created a package that produces significantly increased downforce.

Designed to comply with GTA Street Class and GridLife Street Mod regulations, the GT4+ Kit brings professional-level aero to the enthusiast and competitive driver alike.

Proven Track Performance

The whole Kit is designed to optimize performance for vehicles with bolt-on molds only. The test results are based on Road Going A90s with no weight reduction with 275/35/R18 200TW Street Tires Only. A90 Testing Results to Date:

Gridlife Laguna Seca: 1:33.962 (Stock Turbo/Stock Transmission) A90 Supra

Global Time Attack Finals – Buttonwillow CW13: P2 – 01:49.132

Real results. Real podiums. Real validation.