Blox Racing 13-21 Dodge Charger/Challenger 5.7L/6.4L HEMI 85mm Tuner Series Throttle Body (BXIM-00250) 2506 Why don't the factory coils

Why don't the factory coils have these upgrades

Large 56mm Throttle Body Bore for Maximum Airflow

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Blox Racing 13-21 Dodge Charger/Challenger 5.7L/6.4L HEMI 85mm Tuner Series Throttle Body (BXIM-00250) 2506 Why don't the factory coilsBLOX Racing is proud to introduce the most effective solution for increased airflow and performance all new Electronic Throttle Body for your HEMI powered beast. These high quality units have gone through vigorous testing to improve intake manifold air velocity using pre installed calibrated electronics and the factory tune. Our Electronic Throttle Bodies are CNC machined from heavy duty cast aluminum construction and feature natural finish for