This BMW G8X M3/M4 DTM Carbon Fiber Diffuser offers the next level of appearance for your M3 or M4. Our new rear diffuser features an aggressive design to enhance the rear visual appeal of your vehicle. The G8X M3/M4 DTM Carbon Fiber Diffuser will seamlessly match any other RW or OEM carbon parts that you already have on your vehicle as we craft them from genuine 2x2 weave carbon fiber.  Just like the rest of our product line, this DTM carbon fiber diffuser comes with the RW superior fitment and quality guarantee. Installation is purely bolt-on and does not require any special modifications or cutting.