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(Authorized TurboXS dealers do not sell UTECs on e-bay. Many have been scammed so buyer beware!)
We brought you the award winning WRX Plug-&-Play Harness
Turbo Magazine: Technical Achievement Award, SEMA 2001! Sport Compact Car: Best of SEMA 2001!
And now we have something even better!
The UTEC is a new concept in WRX engine management delivering the power and control of a stand-alone engine management system with the convenience and tuning ease of a piggyback system. UTEC enables complete programmable control over ignition timing, fuel, and boost, while allowing the factory ECU to maintain control over tedious and mundane functions that make the car drivable on a daily basis.
Functions like cold start, hot start, intake temperature compensation, AC compensation and closed loop fuel control signals are all managed by the factory ECU reducing your tuning time significantly while enhancing daily drivability. Spend your tuning time doing what we all like to do – making your WRX faster!
UTEC standard features include:
- Plug-&-Play installation with OEM connectors for 2001-2004 WRX (STI coming)
- No cutting, splicing or additional sensors required
- 20 minute, do-it-yourself installation
- End-user programmable via PC or PDA with HyperTerminal and serial cable
- Fine tune the maps for your exact setup
- Pre-programmed base maps get you started quickly and safely
- Base maps for our Staged upgrade packages, dyno proven and road tested from the leader in WRX tuning
- Don’t waste hours tuning just to get your car to idle and cruise decently
- Maps can be e-mailed or simply downloaded then uploaded
- Four (5) maps plus “stock mode” selectable with a flick of the switch
- Create custom maps for street gas, race gas, nitrous, or whatever
- No need to lug around a laptop just to switch between your programs
- Optional remote dash mounted switch available View switch here
- Fuel, ignition timing, and boost are programmable in 250rpm increments up to 9000rpm over 10 load sites
- Complete ignition timing control
- No need to worry about the factory ECU pulling timing anymore
- Be as aggressive or conservative as you want or just let the factory ECU determine timing at any point in the map
- Fuel control
- Controlled via MAF sensor signal offset
- Tune stock and larger than stock injectors
- Load reference
- Closed loop boost control programmable via Throttle Position and RPM
- No more re-adjusting the boost controller due to changes in temperature or altitude
- Keeps boost low while in closed loop fuel mode for reliability
- Knock control
- Automatically retards timing when the knock is detected safeguarding against engine damage
- Adjustable knock threshold, timing correction, and duration
- On board data logging
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Provides valuable information to assist you in tuning
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Built in programmable solenoid controller
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Control nitrous, water injection, intercooler water spray or any other solenoid device
- Drag racing launch control (secondary rev limit used during launch)
- Shave precious time off your launch
- Free software upgrades
- As we add more features, simply download the latest software version from our website and upload it to the UTEC
Future features (available free via software upgrade) include:
- Primary rev limit control
- Maximize potential of larger turbochargers and valve train upgrades
- MAP to MAF signal conversion
- Eliminate the Mass Air Flow sensor and run any turbo you want
- And more to come after these!
Unleash the power inside your WRX with the TurboXS UTEC. The revolution is coming so get on board, or move out of the way!
Not interested in tuning? Click on hyperlink for pre-programmed packages:
Stage 1 Stage 2 Stage 3 Stage 4
UTEC Software Download Page. Download the latest software and programs for your UTEC.
UTEC FAQ
How does the UTEC increase WRX engine performance?
By allowing the user to tune more aggressive ignition timing, air fuel ratios and boost curves. With 36 RPM sites from 250 RPM to 9000 RPM and 10 load sites, the UTEC gives you 360 possible map points for fuel, ignition timing, and boost.
How much extra power can I expect from the UTEC?
This really depends on the other modifications you have done to your WRX. The UTEC will let you get the most out of whatever hardware you have on your WRX. On a stock WRX, power gains of 30-40 horsepower at the wheels are easily and safely obtained. Adding a freer flowing exhaust, a larger turbo, an upgraded fuel system, etc. will allow even larger power gains. Our staged upgrades will allow you increase horsepower from between 40hp to over
120hp more than stock. We have used the UTEC on our personal WRXs to make even more power. Ultimately, how much power your WRX makes with the UTEC will depend on how well you have prepared the car’s power train and how well the car is tuned.
Is the UTEC a piggy-back computer or a stand alone engine management system?
The UTEC is a really a bit of both. It acts as a stand alone system in that it gives you complete control over ignition timing and boost. Fuel control, however, is piggy-backed off the factory ECU. The UTEC allows you to modify the MAF voltage, giving you the ability to control Air/Fuel ratios and to run larger than stock injectors. The factory ECU is also used to manage some of the more mundane functions that are necessary to keep a car
drivable on a daily basis. Some examples are cold start, hot start, acceleration fuelling and closed loop fuel control. With future software upgrades available free from TurboXS, the UTEC will eventually allow complete control over fuelling allowing the user to eliminate the Mass Air Sensor.
Does the UTEC run low impedance injectors?
No.
Do I have to start from scratch and do all the tuning myself?
No. Like our Unichips, the UTEC comes pre-programmed for various sets of modifications like exhaust, turbo chargers, fuel system upgrades, etc. Although these maps may not be a perfect fit for your exact modifications, they will get you close and you will only need to fine tune the setup. If you stick to our staged upgrades, you may not have to do any tuning at all if you do not want to. . Additional maps will be
available on our website and maps can be easily shared with other WRX owners via e-mail.
Can I blow up my engine with the UTEC?
Absolutely! If improperly tuned, the UTEC will give you the ability to destroy your engine in short order. However, as long as your modifications match our kits, our pre-programmed maps offer a good, safe starting point. Some people may even choose to leave the programs unchanged given the phenomenal improvements they will see with these maps.
However, for those who want to get everything they can out of their car but do it safely, the UTEC provides you with some valuable tools. The data logger logs injector duty cycle, knock count, boost pressure and other key parameters so that you can tune with knowledge and data, not gut feel. The UTEC also
includes programmable knock control that will retard ignition timing when detonation is detected making it easier for you tune for power, while keeping you on the safe side.
What are some of the ad vantages of the UTEC over other engine management systems?
The UTEC comes pre-programmed for a given set of modifications so you can simply plug it in and drive away, yet it is also user tunable allowing you to take full ad vantage of your modifications. It also allows you to create and store up to 4 different programs that can be used at the turn of a dial. There is no need to drive around with your laptop simply to change from one map to another. Maps are easily shared with others via e-mail. You
can go back to stock setting with the turn of dial. Data logging is included. The list goes on and on.
Does the UTEC modify the original factory engine control unit?
No. The factory engine control unit is not altered in any way. Removing the UTEC puts all engine management control back in the hands of the unaltered factory ECU.
How do I install the UTEC and how long will it take?
The UTEC simply plugs in to the factory ECU using OEM connectors. Installation takes no longer than 20 minutes and requires no cutting of wire or soldering. Most of the time is spent simply gaining access the factory ECU that is under the carpet in the passenger foot-well.
Who can tune the UTEC?
With a little practice and patience, our belief is that anyone can. We will provide base maps and helpful tuning tips on our website. We will also be working with out current dealer base and others to provide more distributed UTEC tuning knowledge and support.
Does the UTEC need to be periodically retuned?
Not unless you modify your car. For example, if your UTEC is tuned for a stock WRX and you add a turbo-back exhaust, you will need to retune the UTEC for best performance. For convenience, you will be able to simply download our UTEC Stage 2 map from our website and upload it onto your UTEC.
What octane gas should I use with the UTEC?
We suggest you tune your car on the best gas that is readily available in your area. We’ve created our street maps using 93 Octane unleaded gasoline. If you run a lower Octane gas, you will have to modify the programs appropriately.
Can the UTEC be used on any car other than the WRX?
No. The UTEC is designed to work only on the 2001+ Subaru WRX. It will work in the US spec, Australian spec and European spec vehicles.
What else do I need to effectively tune the UTEC?
While tuning can be done solely on the road, tuning is most effective when done on an AWD dyno combined with road tuning. For the most accurate fuel tuning you will need a good wideband O2 sensor that is accurate down to at least 10:1. The UTEC logs AFR from the front O2 sensor, but it is only accurate down to about 12:1, which is too lean for normal pump gas. Narrow band AFR gauges that work off of 1V O2 sensors are useless for accurate fuel tuning.
Alternatively, you can use a good EGT gauge for fuel tuning. Also, for accurately tuning the UTEC's Knock Correction system, some form of knock amplification/detection hardware is required. TurboXS is working on a WBO2 and knock detection hardware so we can provide you with all the tools you need to tune your WRX.
What is the warranty on the UTEC?
TurboXS carries a one (1) year warranty on all UTECs.
*TurboXS UTEC is for off road use only and may not be street legal!
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