Weller Racing Yamaha YXZ1000R Full Dual Exhaust System – WR Edition

Features:

• Direct bolt-on replacement exhaust system with massive 18-20 HP gains at the wheels!
• High flow replacement header (three into one design)
• Dual mufflers
• USFS approved spark arrestors
• 304 stainless steel mandrel bent tubing
• Powder Coated mufflers
• V-band clamp for easy install
• O2 sensor fitting for optional sensor
• Slip fit connections with springs for vibration dampening / long life
• Add a ECU re-flash for only $100 with purchase of exhaust