V8 5.6L XTO F375-F450

Ship your ECU to us for professional flashing, and we'll return it via mail. We recommend insuring your shipment for up to $2,000 to protect your unit during transit. Our technicians will reprogram your engine control unit and send it back ready to install. 

Upgrade Your Yamaha V8 5.6L 425 with the NIZPRO Marine Performance Repower – Enhanced tune will upgrade your motor to a 482 - $2399 or Commercial will upgrade your motor to a 436 - $1499

Choose between the 436 Commercial upgrade for reliable, proven performance, or the NIZPRO 482 ENHANCED SVHD for maximum power and efficiency gains. Both solutions deliver the sophisticated engineering your vessel demands, with seamless integration and professional-grade results. Select the upgrade path that matches your operational requirements and performance goals.

Enjoy enhanced safety with improved fuel reserves, reduced operating costs, and the confidence of cutting-edge engineering. Available exclusively through DIY installation kits or professional ECU flashing, this upgrade transforms your vessel's capabilities without compromise.