Weller Racing Yamaha YXZ1000R Full Dual Exhaust System with Loaded Power Vision - 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
- Powdercoated mufflers
- V-band clamp for easy install
- O2 sensor fitting for optional sensor
- Slip fit connections with springs for vibration dampening / long life
With our programming we modify the following:
- RPM Limiter
- Speed Limiter
- Improved Fuel Mapping
- Improved Ignition Mapping
- Improved Throttle Response
- Air Injection System Improvements
- Cooling Fan Activation Lowered
