Increase your Top end. Improved throttle response and spark energy, Plug & Play, Replaces your stock CDI, Installs in minutes. Industry leading 2 YEAR WARRANTY! Stage 3 vs Stage 2? - AMR's newest Stage 3 rev box not only removes the limiter found in the stock CDI unit, it has the most Aggressive Timing Curve possible, built in. The Stage 3 box will give the motor better throttle response than the AMR Stage 2 (and most other CDI units on the Market) We recommend the Stage 3 if you have any Exhaust / Air modifications or plan on adding them in the future.
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