All HMF exhaust jetting has been predetermined with proper jetting specs to ensure the ultimate performance from your HMF product and should be used as a reference only. The proper jetting will ensure the full performance potential from your HMF aftermarket high performance pipe and is necessary on all machines.
EFI Optimizer: Electronic Fuel Injection Controller
Recommended Optimizer Settings
2012: Slip on & Full System: Optimizer Settings: 3 / 2.5 / 1
Leave enough slack on the wire harness and keep the Optimizer visible for "on the fly" tuning.
Electrical components are NOT completely waterproof, the Optimizer is water resistant. Improper air fuel ratio can lead to engine and/or Exhaust system damage not covered under warranty.