Get the most out of your aero kit with the Dinmann rear diffuser/side skirt extension filling the void where most competitors fall short. It compliments the Dinmann rear diffuser elegantly and can be purchased separately. The Dinmann Rear Side Diffuser Extension is designed for the OEM rear bumper.

All Dinmann Carbon Fiber products are proudly designed, made, and hand-laid in the United States for an excellent fit and finish. 

Finish:

• 2×2 Carbon Weave.
• Gel coating finish with a clear UV protective coating.

Please Contact Us for Custom Weave options (1×1, Honey Comb, Colored Fiber etc)

Vehicle Fitment:

• BMW F80 M3
• BMW F82 M4
• BMW F83 M4 

Installation:

Our carbon fiber products are ready to install and come with easy to install screw accessories. We recommend that you use a professional and expereienced body shop to install all of our products. 

Shipping

All aero kits ship in approximately two weeks. These are made-to-order pieces and Dinmann takes great pride in making sure everything is perfect before it is sent out. Shipping cost is $75 via FedEx Ground.