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2005 Pontiac GTO Performance Chips & Programmers

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Latest Customer Reviews

DiabloSport Predator P2 Tuner Reviews


2005 GTO Out-of-the-box Results

Reviewed By Brent E (Omaha, NE) Reviewed for a 2005 Pontiac GTO —9/8/2009 8:16 AM

I bracket race my car at an 1/8 mile track and had a race Saturday and Sunday at the same track and very similar weather conditions. The stock tune was used the first night with a best of 8.970 and 80.26 mph. I put in the 91 octane performance tune the next day and ran a best of 8.714 and 83.67 mph. I am very happy with the performance increase. There is also a data logging feature that looks very good for fine tuning. I watched some of the log but haven't tuned using it yet. One disappointment that would only affect a few buyers is that I believe the fan setting is incorrect for my car. My car has 2-stage fans that turn on and off at specific temperatures. Apparently some 2005 GTO's had variable speed fans that operate at a percent of full power at different temperatures. The tuner is set for the variable fans. By researching forums on the internet and trial and error, I found settings that would start the fans at 199 degrees. I wanted it cooler so I also found settings that would run the fans on low all the time and that keeps the temp down to 194 at idle with my stock thermostat.

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Jet Performance Module Reviews


Truck needed help towing

Reviewed By O (Dolan Springs, AZ) Reviewed for a 2004 Dodge Dakota —6/16/2018 8:05 AM

Slight improvement over stock. No loss in fuel economy.

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TruXP Xtune Plus Performance Tuner Reviews


Easy to use

Reviewed By Grant C (HARLAN, IN) Reviewed for a 2018 Chevy Silverado —6/15/2018 8:30 PM

After a quick update and vin unlock the tuner was easy to use. It would be nice if it included more detailed instructions about adjusting the shift points. I bought it to be able to adjust for tire size and gear ratio. It does both plus includes canned tunes for less than the price of other products that simply correct for tire size.

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