PRODUCT DETAILS & FEATURES:
- Replace You Boring Stock Rear Diffuser With Our F1 Style Rear Diffuser
- Also Known As "K Style" Diffuser
- 2015+ BMW F80 M3 Sedan
- 2015+ BMW F82 M4 Coupe
- 2015+ BMW F83 M4 Convertible
- 2016+ BMW F82 M4 GTS + CS
- 3rd Brake Light Wiring Included
- Professional Installation Is Highly Recommended