Start or finish off your BMW G22 or G23 4-Series carbon fiber journey with this DTM Style Carbon Fiber Diffuser. This diffuser is crafted from genuine 2×2 weave full carbon fiber that will nicely match any other carbon fiber parts you have on your car from RW Carbon. To ensure that this diffuser has a nice finish that stands the test of time, we complete it with a thick and high-quality clear coat. Installation is 100% bolt-on and mounts the new one using the same mounting points as OEM. Our carbon fiber G22/G23 4-Series DTM diffuser is the perfect finish for an aggressive rear appearance. Choose RW Carbon for your 4-Series carbon fiber needs and receive a product you can be proud of to install on your vehicle. NOTE: Is NOT compatible with OEM tip system. Requires minimum exhaust back replacement. Please contact for more details.