EVC IDrive Ultimate Throttle Controller (86/BRZ)

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Fitment Guide: 86/BRZ, 12-21


iDrive has recently re-branded to the all new Ultimate 9. With all of the same great products you know and love, Ultimate 9 will continue to deliver above and beyond modifications for your vehicle.

Why Ultimate 9

Rather than a traditional accelerator cable, many modern vehicles use 'fly by wire' throttle technology. This system relies on a sensor that measures the pedal pressure and position and sends a signal to the vehicle's engine computer which converts to acceleration. Many of these fly by wire systems have a noticeable delay. Ultimate 9 allows you to tune the signal from the accelerator pedal with multiple inbuilt settings to ensure you find a setting that suits your driving style, although there are other products on the market that can offer this performance.

So what makes Ultimate 9 different?

Ultimate 9 includes an automatic control function that changes the level of throttle performance based on pedal pressure. So if you are in traffic and accelerating gently the Ultimate 9 will select setting 1. If you are accelerating hard to overtake, towing a heavy trailer, or just having fun the Ultimate 9 will select 9. The result is the smoothest aftermarket control module on the market. We are so confident you will love your Ultimate 9 if you don't we will give you your money back.

The Ultimate 9 throttle controller reduces throttle lag and improves the response from the vehicle’s fly-by-wire accelerator to wake it up and make the acceleration feel more responsive.

  • Eliminates Throttle Lag
  • Increases Throttle Response
  • Improves Overall Drivability
  • Four Performance Modes
  • Twenty Adjustable Settings


Installation and operation of the iDRIVE is designed to be very straightforward, however, we do provide basic installation and operational instructions.

How it works
The iDRIVE works by providing new points of reference for the vehicles throttle mapping. It is still working within the standard parameters; however, it introduces a far sharper throttle curve. It is also bringing the throttle in earlier throughout the pedal stroke to reduce throttle lag/dead zone in the pedal.

The Modes
iDRIVE's are equipped with a very intuitive display and settings menu for easy use, there are 4 modes that offer different settings for different driving styles and conditions.

Normal Mode (--)

Normal mode is simply a replication of the factory settings, essentially the iDRIVE is switched off.

Economy Mode (E)

The economy mode has 9 settings that reduce the response from the pedal - The higher you go the more dampened your throttle response becomes, by dampening the throttle we can see increases in fuel economy as well as far greater control of your vehicle's traction in off-road situations.

Ultimate Performance Mode (U)

Ultimate performance mode has 9 settings and can be grouped into three stages:

  • Ultimate mode 1-3: Everyday driving with smooth acceleration
  • Ultimate mode 4-6: Sportier, more responsive acceleration, great for use around town where short bursts of acceleration are needed
  • Ultimate mode 7-9: Strap yourself in and activate launch control, instant throttle response, beast mode, don’t say we didn’t warn you.

Automatic Control (AC)

Automatic control is essentially a set and forget mode. Fly-by-wire throttle systems have two potentiometers, one to measure how hard you press the pedal and the other to measure how far you’ve pushed the pedal. In automatic mode the Idrive can determine these measures for you and adjust the throttle response to suit.

For most drivers, it can take a few days to get used to the iDRIVE, it’s different modes and what works best for them. We recommend starting on or around Ultimate Mode 4 (U4), this gives the driver plenty of throttle response to notice a substantial difference, without being too much to handle straight out of the box. Once the driver is comfortable with the different Ultimate Mode settings, then we recommend experimenting with Automatic and Economy Mode.

Transmission Settings
The iDRIVE works equally well on both automatic and manual transmissions. There is an internal setting that changes the voltage pattern to suit. There is a slightly softer setting to compensate for the direct drive nature of the manual transmission. The manual transmission setting can also be used for vehicles equipped with automatic transmissions if the driver feels that the response is too sensitive.
Changing Settings
Through our own rigorous testing, we have determined that there can be absolutely no damage done to a vehicle though changing settings while driving. Drivers can change through the iDRIVE's modes at any time, however we don’t recommend changing the settings while the accelerator is depressed, preferably while stopped at a traffic light or in traffic.
Fuel Economy
In testing we have seen a ride range in fuel economy savings, it largely depends on the make and model of the car, as well as the weight of the drivers foot. However a large percentage of drivers see a noticeable increase in fuel economy by using both the Automatic, Economy and lower Ultimate modes, this is mostly due to more efficient use of the throttle and not needing as much fuel to reach certain speeds
Eco mode can help to delay the throttle response so the driver can concentrate on the slight corrections of the steering wheel when reversing the trailer and reduce over correction. Also, the higher ultimate modes are great for getting the vehicle moving with extra weight, particularly handy towing uphill’s of from a standing start.
When bogged in soft sand you need a far slower wheel speed to be able to drive out, Eco Mode with its dampened throttle response can often unstick a vehicle without the need for recovery gear.
Higher Eco settings are perfect for 4wding, especially across bouncy terrain, the dampened throttle response prevents jerky acceleration from the bouncing foot of the driver.
Higher Ultimate performance setting can help with quick bursts of acceleration to get out of muddy holes as well as flick clogged mud from the tyres, improving grip.


  • 2012 - On Toyota GT86
  • 2012 - On Toyota FR-S
  • 2012 - On Toyota FT86
  • 2012 - On Toyota 86
  • 2012 - 2016 Scion FR-S
  • 2012 - On Subaru BRZ
  • 2013 - 2016 Scion FR-S