GFYSHIP For Yamaha Rhino 660 2004-2007 YXR 660 FH / FA ATV Slip-on Motorcycle Exhaust Muffler Header Link Pipe

OEM Compatible, Mounts In The Same Position As The Standard Header. Replaces OEM Number 5UG-E4611-01-00. Improves throttle response and power delivery. No re-jetting or modifications required (this is a plug and play item for bikes on original settings). Designed by our Performance Department for improved throttle response, power delivery and sound. TIG welded for smoother internals, reduced internal turbulence = increases performance.