RW Carbon BMW G14 G15 8-Series Full Carbon Fiber DiffuserRW Carbon brings a new carbon fiber rear diffuser for your BMW G14 G15 840i M850i 8 Series. This Full Carbon Fiber Rear Diffuser provides an intense and aesthetic visual upgrade to the back side of your vehicle that'll be sure to turn heads. Made with genuine full carbon fiber, you can expect a more durable and higher quality part. Each and every one of our pieces including this full carbon fiber rear diffuser is built using only the highest quality