FiTech Fuel Injection Unleashes the Nemesis EFI System
Serious Airflow. Maximum Horsepower. Fully Equipped.
FiTech Fuel Injection is excited to announce that the Nemesis 4500 1600 HP EFI System is now shipping. Engineered for high-horsepower applications and built with real-world performance in mind, the Nemesis combines race-ready capabilities with a high-flow throttle body engineered for both drivability and wide-open-throttle domination.
Delivering 1820 CFM @ 20.4 inH₂O and 2146 CFM @ 28 inH₂O, the Nemesis provides the airflow needed for today’s boosted, nitrous, and naturally aspirated race engines. Its parabolic entry and massive 2.300″ throttle blades ensure crisp throttle response at low speeds while unlocking maximum top-end power.
The Nemesis is a complete EFI system. Each kit comes fully equipped with 8 injectors, dual IAC motors, a primary shaft TPS, 3-bar TMAP compatibility, ECU, wiring harness, and all essential sensors—everything required to control up to 1600 HP* with confidence.
Available in raw aluminum finish compatible with Gas and E85 or hard anodized matte black finish that’s compatible with E85+ and methanol, making it suitable for a broad range of performance fuels.
Built on a CNC-machined aluminum body for precision and durability, the Nemesis is ready for any strip or competition use. Every system is backed by FiTech’s 3-year limited warranty, ensuring long-term reliability and support
*HP rated based on naturally aspirated gasoline, with utilizing a fuel system (pump, hoses, etc.) that supports that power.

