2018-2026 Wengerd Performance S550/S650 Twin Pump Returnless Fuel System

Upgrade your vehicle's fuel system with the 18+ GT-Mach1-Bullit/S650 Twin Pump Returnless Fuel System. Designed for high-performance vehicles. This system features dual pumps for maximum fuel delivery and efficiency. The returnless design eliminates the need for a return line, reducing complexity and improving overall performance. Ensure your engine receives the fuel it needs with this top-of-the-line fuel system upgrade. Perfect for auto enthusiasts looking to boost their vehicle's power and efficiency.

We have tested this kit to 1000WHP on E85 and held fuel pressure with no issues.

Returnless variable voltage pumps so pumps are not full on all the time . Less fuel heating and oem style pump life.

Includes

1 Dual Pump Fuel Hat Assembly

1 Dual Pump Plug and Play Wiring Harness

1 Aditional FPDM OEM

Additional Options Fuel rail mod kit (required for 800+ hp when using stock fuel rails) Optional

This kit requires Professional Installation.

This Kit will not ship to California