EVC vs evcX Throttle Controllers: Which One Should You Buy?

Ultimate9 build two throttle controllers for the same job β€” killing the delay between your right foot and the engine. The EVC is the proven dash-mounted unit with four modes and twenty settings. The evcX is the premium version: nine modes, an OLED screen, Bluetooth app control and a removable interface that doubles as an immobiliser.

Both plug in between your accelerator pedal and the factory pedal plug. No cutting, no splicing, no tune. Fitted in about fifteen minutes with hand tools. We are an authorised Australian Ultimate9 dealer and ship from Perth, Western Australia.

The short version

Standard range

EVC Throttle Controller

$230.00
  • Four driving modes, twenty tuning settings
  • Ultimate mode β€” nine levels of sharper response
  • Economy mode β€” nine levels of softer response
  • Automatic mode reads your driving and picks the level
  • Normal mode returns the pedal to factory
  • Over twenty faceplate colours and designs
  • Widest vehicle coverage of the two
Find your EVC
Premium range

evcX Throttle Controller

$300.00
  • Nine driving modes including Launch, Anti-Slip and Valet
  • Bluetooth control through the Ultimate9 TC app
  • Larger OLED display that dims itself at night
  • Throttle Lock mode β€” immobilises the pedal
  • Removable interface, dual USB-C ports, carry satchel
  • Several mounting options included
  • Certified to CE, FCC and RCM
Find your evcX

EVC vs evcX side by side

Β  EVC evcX
Price $230.00 $300.00
Driving modes 4 9
Tuning settings 20 Nine levels each on Ultimate, Launch and Economy
Display Standard driver interface Larger OLED with automatic dimming
Phone control No Bluetooth, Ultimate9 TC app for iOS and Android
Anti-theft No Throttle Lock mode plus removable interface
Launch mode No Yes β€” sharper response with a linear start to limit wheelspin
Anti-Slip mode No Yes β€” softer initial response for mud, sand, ice and wet
Valet mode No Yes β€” reduced response, roughly 50% RPM limit
Faceplates Over 20 colours and designs Not applicable β€” different housing
Mounting Optional magnetic ball dash mount Range of magnetic mounts included
Ports Single Dual USB-C
Transmissions Automatic and manual Automatic and manual
Warranty 30-day money back, limited lifetime replacement 30-day money back, limited lifetime replacement
Vehicle coverage Broadest β€” every vehicle Ultimate9 list Most vehicles, but not all

Fitment first. Not every vehicle has an evcX part number. Plenty of Subarus, for example, are EVC-only. Check your model in both collections before you decide β€” if only the EVC comes up, that is the controller for your car.

Which one should you buy?

Buy the EVC if

You want throttle lag gone and nothing else. Set it to Ultimate 3 for daily driving, wind it up to 5–8 for towing, overtaking or a hill climb, drop into Economy for a rutted track or heavy traffic. Four modes is enough for most people, and the money you save covers a decent set of pads. It is also the one to pick if you want the interface to match your dash β€” over twenty faceplate colours and designs are available.

Buy the evcX if

You want the extra modes and the security. Launch and Anti-Slip are the ones people actually use β€” Launch for a clean start without lighting up the tyres, Anti-Slip for sand, mud, snow and wet roads where a sharp pedal works against you. Throttle Lock is the sleeper feature: engage it, pull the interface out of the car, and the engine will start but the pedal does nothing. For a 4WD that gets left at a trailhead or a car parked on the street, that is worth the difference on its own. Add Valet mode for handing the keys over, and app control so you can change settings from your phone instead of reaching for the dash.

The modes explained

On both controllers

Ultimate mode sharpens the throttle curve across nine levels. The higher the number, the more aggressive the pedal. Levels 2–3 suit everyday driving; 5–8 are for towing, overtaking, hill climbing, sand and anything where you need to stay on the gas.

Economy mode dulls the throttle below factory, again across nine levels. Made for low-traction work β€” rock crawling, water crossings, low-speed towing manoeuvres β€” where finesse beats response.

Normal / Factory mode hands the pedal straight back to the vehicle's original mapping.

Automatic / Adaptive mode is set and forget. It reads your driving in real time and selects from the nine Ultimate levels β€” crawling in traffic it sits at 1–2, open the gap and stand on it and it delivers 6–9.

evcX only

Ultimate9 mode jumps straight to maximum throttle enhancement in one press.

Launch mode sharpens the response but softens the very first part of pedal travel, so you get the hit without spinning the tyres off the line.

Anti-Slip mode subdues the response for slippery surfaces β€” snow, ice, mud β€” giving more control and less wheelspin.

Valet mode reduces throttle response and limits the engine to roughly 50% of available RPM.

Throttle Lock mode blocks all pedal input. The car will start and idle, but no amount of throttle will make it rev. Combine it with pulling the interface out and storing it in the supplied satchel and the vehicle is effectively immobilised.

Faceplates β€” EVC only

The EVC driver interface takes a snap-on faceplate, with more than twenty colours and designs in the range. The evcX does not take faceplates: it is a different display in a different housing, so nothing from the faceplate range fits it. Choose your colour on the EVC product page before adding to cart and it is packed with your controller.

Fitting

Both controllers are a plug-in fit. The harness goes between your accelerator pedal assembly and the factory pedal plug, so nothing is cut and nothing is spliced. Most vehicles take about fifteen minutes with basic hand tools, and the job is fully reversible β€” unplug it and the car is back to standard. Every controller is vehicle-specific, which is why we list them one part number per vehicle rather than making you cross-reference a chart.

Common questions

Will a throttle controller add power?

No. Peak power and torque are unchanged. What changes is how quickly the throttle opens for a given pedal input, which improves acceleration ramp-up β€” the power you can actually get to when you plant your foot from a standstill or a rolling start.

Can I just push the pedal harder?

No. Your factory pedal has fixed parameters and physical input cannot override them. It does not matter how fast you push, the same throttle response comes out. The only way to change it is electronically.

Is it safe? Will it void my new car warranty?

Ultimate9 design the controllers so they cannot override any vehicle safety function or parameter, and test them on every new model release. Like a bull bar, snorkel or driving lights, a throttle controller does not automatically affect a new car warranty β€” it would only ever be an issue if it were deemed to have caused the fault being claimed.

Can I run one with a tune or remap?

Yes. Throttle controllers work on a separate system to an ECU tune, chip or reflash, and generally complement one. If your tune is great around town but flat under load, sharpen the pedal for towing. If it is too aggressive off-road or in the wet, dull it down.

What happens to fuel consumption?

It comes down to how you drive with it fitted. Ultimate9's own figures: around half of customers see no change in economy, around 40% see an improvement alongside the sharper response, and a small number see it worsen slightly β€” usually a heavier right foot enjoying the extra response.

Why does the display stay on after I shut the car off?

The controller draws power through the vehicle's throttle loom. It is normal for the interface to stay lit for a while after shutdown, or to switch off when the throttle is inactive such as under cruise control. It usually powers down within 30 seconds of shutdown, or when the car is centrally locked, and wakes instantly the moment the pedal is touched.

What is the warranty?

Thirty-day money-back guarantee on both controllers β€” if it is not for you, return it within 30 days for a refund. On top of that, Ultimate9 provide the original purchaser with a limited lifetime replacement warranty against manufacturing faults and defects. Wear and tear, modification, misuse and incorrect fitment are not covered.

How fast do you ship?

Ultimate9 hold stock and dispatch quickly, so orders move within a couple of business days in most cases. We are an authorised Australian dealer, so every controller is a genuine unit with full warranty backing.

Find the controller for your vehicle

Shop EVC Throttle Controllers Shop evcX Throttle Controllers

Not sure which part number suits your car, or your model is not showing? Get in touch before you order and we will check it against the Ultimate9 application catalogue for you.

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