American Cycle Performance also installs ThunderMax, a wide band, closed-loop system. Included is the module, plug in harness and 2 wide band sensors and SmartLink Software.

The new Screamin’ Eagle Pro EFI Super Tuner (P/N 32109-08) from Harley-Davidson Genuine Motor Accessories features a new hardware and software design that makes track-side EFI tuning faster and easier, with dozens of new features and innovative tuning enhancements. The improved Vehicle Communication Interface (VCI) box allows USB connectivity to a PC and contains onboard memory capacity for 15 minutes of data recording, tracking up to 26 data variables. Data recording is activated with a push of a button, so the VCI can be used to gather data during true race conditions. Tuning is performed on the Dyno @ an hourly rate of $100.00.