escription Designed for true competition off road use only, the Tomei Ti Straight pipe is approximately 80mm in diameter and made from 1mm thick titanium. The total weight is only 1.1kg compared to the factory cat pipe which is a whopping 6.75kg. The Tomei straight pipe works best when paired up with a Tomei Ti catback system. Kit Includes: Tomei Ti Straight Pipe. 2 Bolt Gasket. M12 Flange Bolt/Nut. Vehicle Fitment: 2007-2015 Mitsubishi Evo X CZ4A (4B11T) 2007-2017 Mitsubishi Lancer Ralliart CY4A (4B11T)