The race-bred RS-3 exhaust has proven to be extremely popular among rider looks for a combination of performance and value. It enhances performance dramatically, provides an enviable exhaust note and offers the unmistakable look and sound of Yoshimura. RS-3 mufflers feature a straight baffle that leads to a single turn-down machined aluminum end cap. Exhaust Street RS-3 Bolt-On Ss-Al Dual. Features: Oval-shape muffler Maximized internal volume Straight, single core baffle Low-volume sound insert capable Installation Guide Fitment: Suzuki Hayabusa 1999-2007