2014-2021 Challenger SRT8 HEMI 6.4L E85 Kits
Convert Your Challenger SRT8 to E85 and Increase HP by Up To 12%
The 2014-2021 Challenger SRT8 has a 6.4L HEMI that’s capable of 485 HP out of the box and it’s naturally aspirated. It produces 475lb. ft. torque which makes it pretty explosive off the line and a real contender in its weight class. It’s hard to believe that there is a plug ‘n play option that converts the SRT8 from gasoline to E85, increasing its horsepower by up to 12%.
No tuning required!
$699 List price $874Starting at $61.50 / month with 
SKU: U-EF-PLUS - Free shipping
- Delivery time 2-5 days
- 5 year warranty with registration
Introduction
Our E85 conversion kits, eFlexPlus, and eFlexPro are plug n’ play, easy to install, and you can start running any mixture of E85 that you see fit for your 2014-2021 Dodge Challenger SRT8 immediately. And with the eFlexPro, you can start tuning your Challenger SRT8 HEMI with a mixture of E50 or higher.
Installation
Plug&Play installation with some modifications - An experienced mechanic will install in 2-3h. For first time DIY installation, expect to double the time needed.
Technical specs
| Make & Model | Dodge Challenger |
| Years | 2014-2021 |
| Engine | 6.4l / ESG / ESH / Hemi V8 |
| Power | 470 hp |
Always Optimized Fully Automatic Flex Fuel
Cooler & Cleaner Engine
Complete System, No Tuning Needed
Up to 20% Increase in Performance
Your Fuel System Verified |  | |
|---|---|---|
| Dynamically adjust engine tune to match fuel | ||
| Available performance and eco tunes | ||
| Select performance or eco tunes via eFlexApp | ||
| Create and save custom dyno tunes | ||
| Pro grade eFlexTuner tuning software |
+ What's included
+ eFlexApp
+ eFlexTuner
+ Installation
Note: If your car is modified you can use E85 with eFlexFuel. If this is the case, please list all the main engine modifications on the checkout page. Our technical team will ensure that your setup is fit for E85.
* Power and torque increase depends on your engine technology and/or your custom built of the engine.
Not legal for sale or use on pollution-controlled vehicles