Excell rewrites your factory fuel map in real-time, unlocking higher boost thresholds and cleaner ignition cycles your OEM tune left on the table.
Beta Sequence Active
Convert Your Car to E85 Fuel
Unlock your engine's hidden potential. The Excell module recalibrates ignition timing and fuel mapping in real-time — more horsepower, cleaner burn, cheaper at the pump.
Octane105 RON
Power Gain+58 WHP
Peak Output Delta
+58 WHP
Dyno verified on stock internals.Fuel Cost Index
-$1.42 / GAL
Average savings versus 93 octane.Thermal Reduction
-14 °C
Lower cylinder temps under load.Install Time
<45 MIN
Plug-and-play, no harness cuts.Engineered to Convert Combustion.
Unlock the full potential of your engine with Excell's plug-and-play fuel intelligence. From street to circuit, every system is built to deliver more power, cleaner burns, and total telemetry control.
Every drop of fuel, every degree of timing, every PSI of boost — streamed live to your dashboard with sub-millisecond resolution.
Telemetry, Decoded
Pump 91, pump 93, full E85, or any blend in between. The module interpolates octane on every fill-up and adjusts fueling on the fly.
Flex-Fuel Intelligence
Aerospace-grade aluminum housing. Mil-spec connectors. Sealed against vibration, heat soak, and the long road between tracks.
Engineered for Endurance
Live Telemetry
Real-Time
Combustion Data
Every degree of timing, every PSI of boost, every gram of fuel — streamed from your engine to your phone with sub-millisecond resolution. No more guessing what's happening under the hood.
Reserve Module
Boost
22.4 PSI
AFR · Live12.6:1
Blend Detection
AUTOE72/ 105 RON
91 OCTE85
Trim +
8.4%
Knock
0.0
Adaptive Fueling
Auto-Blend
Any Pump.
Pump 91, pump 93, full E85, or anything in between. Excell detects the blend at every fill-up and recalibrates ignition, fueling, and boost in under 60 seconds. Drive in, drive out — fully tuned.
Reserve ModuleIntegration Sequence
// Estimated downtime: 45 minutes
01
Hardware Splice
Plug the CNC-machined Excell module inline with your fuel composition sensor and main ECU harness. No cutting wires, no welding.
02
Firmware Flash
Pair via the mobile terminal. Excell auto-flashes the optimal ignition mapping for your specific powertrain — no dyno trip required.
03
Ignition & Yield
Fill with any blend of E85 to standard pump gas. The system interpolates in real-time, unlocking higher boost and cleaner combustion.
Fuel Cost Calculator
What Excell Saves You.
Tune the numbers to your daily drive. We'll calculate your annual fuel savings after switching to E85 — accounting for the ~25% efficiency offset and your local pump prices.
Annual Miles15,000mi
Vehicle MPG24mpg
Gas Price / Gal3.85$
E85 Price / Gal2.65$
Conversion Kits for Every Build.
From weekend cruisers to dedicated track weapons — pick the Excell package that matches your machine. All kits include the core E85 module, telemetry, and white-glove support.
Pay in full12mo financingSave 16%
Street
$899
Daily-driver conversion
- Plug-and-play E85 module
- Flex-fuel sensor + harness
- Self-install guide
- Lifetime firmware updates
- 1-year hardware warranty
Most Reserved
Track
$1,499
Built for boost
- Everything in Street
- Upgraded high-flow injectors
- Reinforced fuel lines + pump
- Pro install at certified shop
- Telemetry dashboard access
- 3-year hardware warranty
Apex
$2,999
Full race calibration
- Everything in Track
- Standalone ECU re-flash
- Dyno-tuned fuel maps
- Dedicated tuning engineer
- Priority 24/7 support
- Lifetime hardware warranty
Field
Diagnostics
Decoded.
Everything you need to know before strapping Excell to your build. Straight answers, no marketing fluff — written by the engineers who tuned it.
Will this damage my engine?+
Excell operates within your factory ECU's safety thresholds. E85 actually burns cooler than gasoline, reducing thermal stress on internals.
What cars are compatible?+
Most port-injected and direct-injected vehicles from 2008+ with a CAN bus. Compatibility scan runs after signup based on your VIN.
Do I need an E85 pump nearby?+
Excell auto-blends. Run any mix from straight 91 octane to full E85 — the system recalibrates fueling on every fill-up.
What happens if I want to revert?+
Unplug the module. Your ECU returns to stock factory mapping with zero residual changes.
How is telemetry data stored?+
All run data is encrypted on-device and synced to your private dashboard. We never share or sell driving data.
What's included in the beta?+
Hardware module, lifetime firmware updates, and white-glove install support. Limited to the first 500 enthusiasts.
Start Your Conversion Today
Reserve your Excell module and join the waitlist. First 500 units ship with founder pricing and lifetime firmware updates — no commitment required.