Vorsteiner F80 M3 & F82 M4 GTS Rear Diffusor Carbon Fiber the bars and springs are

the bars and springs are powder-coated a special 2 stage tangerine orange

of torque verified by our in house dyno

We quickly realized the necessity of including flex joints into the design and went back to the drawing board

which has strength rated at 290

Vorsteiner F80 M3 & F82 M4 GTS Rear Diffusor Carbon Fiber the bars and springs areTo further enhance the styling and downforce of the rear end of the vehicle our designers have developed a lightweight carbon fiber aero diffuser which bolts onto the factory M3 M4 rear bumpers. Vorsteiners Autoclaved Pre Preg Carbon Fiber structure gives our parts superior stiffness, aerospace strength & durability compared to traditional hand laid carbon fiber composites. AVAILABLE OPTIONS: 11 Carbon Fiber Pre Preg w. 4 Stage UV Inhibiting Clear