The 2020–2023 Challenger / Charger / 300C HEMI Performance Dual Fuel Pump by MMX
Fuel Pump is a high-output fuel system upgrade engineered to support serious horsepower builds on modern Mopar platforms. Developed by MMX Performance, this dual fuel pump module is designed to eliminate fuel delivery limitations found in factory systems, ensuring consistent pressure and volume under high-load, high-boost, or high-RPM conditions.
Built specifically for late-model HEMI-powered vehicles such as the Dodge Challenger, Dodge Charger, and Chrysler 300C, this system is ideal for enthusiasts running upgraded intakes, forced induction, or aggressive tuning setups.
Fuel Pump Key Features
| Feature | Description |
|---|---|
| Dual Pump Design | Provides increased fuel volume for high-horsepower applications |
| Plug-and-Play Installation | Direct replacement for factory fuel pump module |
| High-Flow Capability | Supports demanding performance builds and boost levels |
| OEM-Level Fitment | Designed to integrate seamlessly into factory fuel tank |
| Enhanced Reliability | Maintains stable fuel pressure under extreme load |
| E85 Compatible Support | Works with ethanol-blended fuels when properly tuned |
Performance Benefits
| Category | Improvement |
|---|---|
| Fuel Delivery | Increased volume and consistency at high RPM |
| Engine Safety | Reduces risk of lean conditions under boost |
| Power Support | Enables higher horsepower tuning potential |
| Throttle Response | More stable fuel pressure under acceleration |
| Boost Capability | Supports upgraded forced induction systems |
The dual pump configuration ensures that fuel starvation is minimized even during aggressive driving, making it a critical upgrade for performance-focused builds.
Technical Overview
| Component | Specification |
|---|---|
| Pump Type | Dual high-flow in-tank fuel pumps |
| Material | OE-grade housing with performance internals |
| Voltage Compatibility | Factory electrical system optimized |
| Fuel Compatibility | Pump gas and ethanol blends (tuned applications) |
| Installation Type | Drop-in module replacement |
This system is engineered to maintain OEM-like drivability while significantly increasing fuel system capacity for modified engines.
Vehicle Fitment
| Vehicle | Model Years | Engine Platform |
|---|---|---|
| Dodge Challenger | 2020–2023 | 5.7L / 6.4L / Hellcat HEMI variants |
| Dodge Charger | 2020–2023 | 5.7L / 6.4L / Hellcat HEMI variants |
| Chrysler 300C | 2020–2023 | 5.7L HEMI applications |
Why Upgrade to a Dual Fuel Pump?
Factory fuel systems are often the limiting factor in high-performance builds. As power levels increase, stock pumps struggle to maintain adequate fuel pressure, especially under boost or heavy throttle loads. This MMX dual pump system solves that issue by delivering a steady, high-volume fuel supply that supports advanced tuning strategies.
Fuel Pump
Backed by engineering from MMX Performance, this upgrade is essential for enthusiasts targeting reliable horsepower gains without compromising engine safety or drivability.
Summary
The MMX dual fuel pump is a foundational upgrade for any serious HEMI build. Whether you’re running bolt-ons, superchargers, or ethanol blends, it ensures your engine receives the fuel it demands—consistently and safely—under all driving conditions.
Sullivan Hayes –
I purchased the MMX Performance Dual Fuel Pump for my Chrysler 300C 6.4 HEMI, and I’m extremely happy with the results. Dodge Auto Supply made ordering easy, and shipping was quicker than expected. The package arrived safely and looked professionally packed. The pump assembly itself looks premium and very well built. My shop installed it during my fuel system upgrade, and fitment was perfect. After installation, fuel flow improved significantly, and my tuner was able to safely push more power. The car feels stronger and more consistent under boost. This is a must-have for serious builds.
Dax Hollowell –
This was my first order from Dodge Auto Supply, and I’m impressed. I bought the MMX Performance Dual Fuel Pump for my 2022 Challenger Scat Pack, and everything went smoothly. Ordering was easy, shipping was fast, and the package arrived well protected. The quality of the fuel pump is excellent, and installation at my performance shop was smooth. After tuning, the car feels more consistent and stronger at wide-open throttle. Fuel pressure remains stable, and the tuner was able to push the setup harder. This is one of the smartest upgrades I’ve added to my build.
Callan Drake –
I ordered the MMX Dual Fuel Pump for my 2021 Charger R/T from Dodge Auto Supply, and the process was flawless. The website was easy to use, and checkout was fast. Shipping updates were accurate, and the package arrived on time. The pump looked excellent, and the build quality was top-tier. Installation went smoothly at my local performance shop. After installation, fuel pressure stayed steady during hard pulls, and the car now feels much stronger at higher RPM. This gave me the confidence to continue my performance build.
Lucian Merrick –
I ordered the MMX Dual Fuel Pump for my imported Charger 392, and Dodge Auto Supply delivered excellent service. Ordering was simple, and shipping was efficient. The pump arrived in perfect condition and looked professionally made. My garage installed it without issues, and everything fit properly. After installation, fuel delivery became much more stable, and the car feels much stronger under hard acceleration. This is a great upgrade for high-performance builds.
Brennan Cole –
My experience with Dodge Auto Supply was excellent when ordering the MMX Dual Fuel Pump for my 2019 Challenger 6.4 HEMI. The ordering process was simple, and the website provided all the fitment details I needed. Shipping was fast, and tracking updates were accurate. The pump arrived in perfect condition and looked very high quality. Installation at my shop was straightforward, and everything fit exactly as expected. After installation, fuel pressure became much more consistent under load, which was important for my cam and E85 setup. The car now runs smoother at higher RPM and feels more stable during aggressive driving. This is a solid upgrade for anyone pushing more power.
Orion Whitlock –
I purchased the MMX Performance Dual Fuel Pump for my Challenger in Canada, and I’m very impressed with Dodge Auto Supply. Shipping was fully tracked and arrived without issues. The pump was packed securely and looked very high quality. Installation was simple, and fitment was exact. After installation, my tuner noticed more stable fuel pressure and improved flow. The car now runs stronger and more consistently during heavy acceleration. This is a great fuel system upgrade.
Ryland Foster –
I ordered the MMX Performance Dual Fuel Pump for my 2020 Dodge Charger Scat Pack from Dodge Auto Supply, and the experience was excellent from start to finish. The website made it easy to verify fitment for my setup, and the product details were very clear. Checkout was quick, and I received confirmation immediately. Shipping updates were accurate, and the pump arrived ahead of schedule. The packaging was solid, and everything inside looked professionally packed. The quality of the fuel pump assembly was impressive right away. My tuner recommended this upgrade for my boosted setup, and installation went smoothly at my performance shop. Once installed, fuel delivery became much more stable, especially under heavy throttle. My tuner noticed better consistency during pulls, and the car now handles higher power much more confidently. This is a critical upgrade for anyone building serious horsepower. Dodge Auto Supply delivered exactly what I needed.