The RWS or RW Signatures carbon fiber rear diffuser features a 3 fin design for a modded look without being overly aggressive and in your face. The RWS F8X diffuser is perfect for the customer who wants the unique aggressive carbon fiber diffuser but doesn't want to worry about scraping or getting caught on parking blocks which can be an issue with the larger diffuser options we offer. These RW Signature M3/M4 diffuser are designed in-house at RW so you can guarantee they are unique to anything else on the market. The piece is produced with genuine 2x2 CF in conjunction with industry leading resins and clearcoats which ensures this diffuser looks amazing on day 1 and years down the road. We complete each item with a UV resistant clearcoat - Non yellowing, fading or discoloration! Installation takes the experienced tech about 30-60 minutes from start to finish. Stand out from all the other M3 and M4's on the road today with a diffuser that's as unique as your vehicle, the RW Signature carbon fiber diffuser.