Hess Motorsports Smog Block Off Plates for the Yamaha YXZ1000R (PT# 705018)
- 6061 Billet Aluminum with Stealth Gray Anodizing
- Removes OEM Air Injection System
- Increases Air/ Fuel accuracy for tuning and gages
- Helps reduce the popping back of exhaust systems
- Pairs well with all exhaust systems
- Made in USA
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