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BETTER: ST8PRO Stage 3 OBD GAS / DIESEL Performance Chip Programmer +30HP

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ST8PRO ECU Performance Chip MAX +30HP WITH LATEST PROGRAMMING The fastest & safest way to obtain a highly power tuned ECU. Get Maximum Performance... read more




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19 reviews



ST8PRO ECU Performance Chip MAX +30HP

The fastest & safest way to obtain a highly power tuned ECU.

Get Maximum Performance From your Engine- Safely!

Installs in seconds. Not only will this module compete with other high priced chips and programmers such as JDM and JET, but it will outperform them – at half the cost! Performance Tuning is one of the most popular solutions to unleash hidden HP and Torque from your vehicle. The ST8PRO Performance Chip programmer / tuner is one of the easiest performance chiptuning modules to install on the market, with a simple plug into your OBD2 port. The performance chip downloads real-time data through your OBD2 connection allowing the module to study your driving habits over a period of one to two weeks to optimize the ignition spark advance, air to fuel ratios and transmission shifting for the ultimate in power and mileage gains, increasing your throttle response, low end torque and acceleration.Proven to provide better street performance, towing capabilities and response. The performance chip will work with all aftermarket performance products, such as Intakes, exhaust systems, mass air flow sensors, throttle body spacers, etc. The chip is smog legal in 50 states, and will not void any factory warranty.

The ST8PRO Performance Chip

– Is a single solution to getting the best power gains
– Directly interfaces with your vehicle’s ECU computer in real-time
– Is dynamic – considers exhaust O2 levels, engine speed / load, intake air and temperature and many other factors to deliver the most efficient tune
– Is compatible with factory equipped Super Chargers, Diesel Engines and more
– Is Plug and Play!

The ST8PRO Chip gets results!



The chip is NOT compatible with Hybrid Engine options, Propane, or Natural Gas 


Frequently asked questions

We usually do not recommend installation with add-on (aftermarket) Turbo-charged models. There is no issue with FACTORY supercharged or turbocharged models.

No problem. This module will work with all aftermarket power programmers, tuners and OBD2 modules. However, you must have access to your OBD port. The product must be plugged in to your OBD port at all times in order to function.

The chip will work with both Automatic and Manual transmissions.

No! This module does not cause any damage, unlike most cheap competitors. This product will not void your warranty. The vehicle manufacturer cannot void your vehicle warranty due to aftermarket accessories. Our module uses soft-patching technology and is completely safe and reversible.

Since our performance chip module only interfaces with the vehicle computer (ECU), it causes your vehicle’s computer to adjust itself to a more optimal fuel mixture and timing curve. This means you are fully protected by the built in safeguards of your computer. These performance chips have been tested over and over and are proven not to affect your vehicle’s engine or electrical system in any way, unlike cheap resistor scam chips.

It is compatible with 99% of vehicles with OBD2 ports, Years 1996 and newer. If in doubt, ask us. 

No. It connects to your OBD port. It interfaces with your ECU, not a simple damaging resistor like scam chips.

Gains vary depending on many variables, but typical gains vary anywhere from 35% – 55% or more. 

We will need the Make, model and year of your vehicle. (Please send this information at the time of checkout).

We CUSTOM program the chip for your vehicle, so you obtain the highest performance.
After purchase, please provide us your vehicle make, model and year.

Supports Most Models of Vehicle Makes: 

Acura, Alfa Romeo, Audi, BMW, Buick, Cadillac, Chevy, Chrysler, Citroen, Daewoo, Dodge, Eagle, Fiat, Ford, Geo, GMW, Holden, Honda, Hummer, Hyundai, Infiniti, Isuzu, Jaguar, Jeep, Kia, Land Rover, Lexus, Lincoln, Mazda, Mercedes, Mercury, Mini, Mitrubishi, Nissan, Oldsmobile, Opel, Peugeot, Plymouth, Pontiac, Porsche, Renault, Saab, Saturn, Scion, Subaru, Suzuki, Toyota, Volvo, Volkswagen (VW).

Most DIESEL vehicles are also supported.

Additional information

6 oz

Reviews (19)

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  • (verified owner)

    Made a huge gain in power for my 2016 Subaru Crosstrek 2.0i. It’s no longer sluggish with the AC on with definite low-end to mid-range power. Haven’t tested top-end gains but I’m sure they’re there. And I was told by Support that the warranty IS lifetime, whereas I had a JDM Pro-M with a lifetime warranty, but it was going bad and I called for a replacement and their lifetime is only three years (JDM Pro-M is JUNK and it costs $75 more). I couldn’t be happier with my purchase! Very fast shipping as well! A+ !!!!!

  • (verified owner)

    Shipping was incredibly fast! Ordered Friday night and was here Monday.

  • (verified owner)

    First you will notice the better throttle response. Removes flat spots on power curve. After 250miles-pulls hard. Just get it. Adapts to mods also

  • (verified owner)

    Ran unit for 300 miles on JETTA 1.4TSI. I get used to things fast having owned muscle cars since 16 years old. So I removed unit to see if there were any changes. No doubt pedal had quicker response, less pedal for the same acceleration, and good pull. No mileage change, I have a stick. Worth the money, super fast ship..

  • Works Fantastic. Needs a bit of learning, once done it works great !

  • (verified owner)

    When I first attached the ST8 PRO module I was not sure of any gains I was getting concerning power, torque and fuel economy. But having done over three hundred miles with it, I notice that it does make a difference in the three catergorys mentioned above. Kudos to Sawyer Tuning…

  • (verified owner)

    Immediately made a really big difference in low and mid-range torque and acceleration in my 2014 Kia Sorento Limited. Will report back about gas mileage. Great service and product. This was a good investment. Shipped quickly.

  • Installed in my 2008 Mustang GT great throttle response and torque increase very happy with this product.

  • Made a big difference in my 3.3 Litre 05 Camry low end torque improved tremendously it gets up and goes!

  • Huge difference in low end tourqe,acceleration, even throttle response! Very much appreciated!best upgrade so far!

  • (verified owner)

    There is noticeable increase both throttle response and mid range torque. This device also fixed a slight hesitation in the engine when cold. I was cautiously optimistic but am now very pleased with the results on my 2001 Porsche Boxster (base 2.7).

  • Increase my torque and Power. In my 2008 Mustang GT. Highly recommended.

  • Huge improvement in throttle response. Effortless cruising, better gas mileage. Fast shipping, Happy customer.
    The best money I’ve ever spent on this truck. Hugh improvement in acceleration and top end cruising.

  • Exactly as described. Thank you.

  • Great product, thanks….

  • The real deal. Installed on my Altima, big difference in power!

  • Great product, thanks,

  • Great Power out of the box works Great

  • A++ Seller and great Product!

SPECIAL DISCOUNT: Get $10 off any order! Use the coupon code ST10OFF at checkout. Dismiss