MaxxECU 8HPxx TCU Flashing Tool (Rental) MaxxECU 8HPxx TCU Flashing Tool (Rental) The programming tool required to flash the 8HP (GEN1) for MaxxECU CAN control support. Allows the MaxxECU to fully control the 8HP45/70/90 (GEN1) See the... MSRP: Was: Now: $195.48 Add to Cart