AFR+ Fuel Controller & Blackout Titan-QS-Series Full System Exhaust Billet for Yamaha YXZ 1000R 2016Kit Includes: 1 HMF Titan-QS-Series Full System Exhaust Blackout, 1 Dobeck AFR+ Gen 4 EFI Fuel ControllerHMF Titan-QS-Series Full System Exhaust BlackoutColor: BlackoutShape: RoundMount: CenterEnd Cap: BilletDobeck AFR+ Gen 4 EFI Fuel ControllerThe Gen 4 Optimizer is the AFR+ Fuel Controller that combines an EFI controller with a wideband O2 sensor and AFR gauge to provide a user instant fuel trimming ability and feedback about their vehicle's state of tune. The AFR gauge allows you to know exactly how well your tune-up is performing at all times.
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