Cat Delete Y-Pipe Assembly - Yamaha R1

Direct mid-pipe replacement for Yamaha R1's. This mid-pipe matches up perfectly with the OEM header and OEM mufflers or most aftermarket slip-on. (Will not work with aftermarket headers). Reduces heat and increases air flow. Over 4 lbs. of weight savings increases performance with our T-Slash Systems, or any slip-on muffler systems. We recommend our ECU Flash + MWR Filter Combo for maximum performance. Mid-Pipes are IN STOCK ship in the order which they're received. Local Pickup available in our Manchester, Connecticut location. Installation and dyno tuning also available. Direct mid-pipe replacement for Yamaha R1's. This mid-pipe matches up perfectly with the OEM header and OEM mufflers or most aftermarket slip-on. (Will not work with aftermarket headers). Reduces heat and increases air flow. Over 4 lbs. of weight savings increases performance with our T-Slash Systems, or any slip-on muffler systems. We recommend our ECU Flash + MWR Filter Combo for maximum performance. Mid-Pipes are IN STOCK ship in the order which they're received. Local Pickup available in our Manchester, Connecticut location. Installation and dyno tuning also available.