Upgrades include the latest Bluetooth technology, smaller size, upgraded app and tuning capability for new Harley-Davidson models Santa Fe Springs CA – February 25, 2022 – Vance & Hines today announced the FP4, the next generation of its industry-leading engine control module (ECM) flash tuning products. The FP4 features an all-new circuit board, case, firmware and mobile … Continue reading Vance & Hines Reveals FP4, Its Next Generation Engine Control Module Tuner