Vorsteiner F80 M3 & F82 M4 GTS Rear Diffusor Carbon Fiber which has strength rated at

which has strength rated at 290

Sport Springs will lower your vehicle an average of 1

After much research and testing we discovered the synchronization of the Turbos as the main factor in the sound

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

If you've ever seen a sleek

Vorsteiner F80 M3 & F82 M4 GTS Rear Diffusor Carbon Fiber which has strength rated atTo 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