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GMC Yukon Performance Monitors

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Latest Customer Reviews

Bully Dog Triple Dog GT Tuner (49-State Legal) Reviews

Screen is the right size.

Reviewed By Frankie B (WAVERLY, KS) Reviewed for a 2013 GMC Yukon —5/18/2016 11:23 AM

Fairly easy to download and install tuner. Screen large enough to easily read but small enough to not be obtrusive. Good menu services.

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Hypertech HyperPAC Reviews

Useful product

Reviewed By Pavel B (Albuquerque, NM) Reviewed for a 2004 GMC Yukon —2/7/2008 10:33 PM

I bought HyperPAC hoping to achieve some performance gains and for the various diagnostics programs it offers. Installation is simple and straightforward, uploading performance tunes takes less than 5 minutes. Performance gains are consistent with the dyno charts Hypetech has on their website - modest but noticeable. I tow a trailer and acceleration from standstill and throttle response are better. My benchmark is a steep grade on I-25 before Santa Fe. With the stock tune the rig tops at 50mph on 2nd; after installing the premium fuel tune I was able to take it at 60mph. With this tune engine seems to develop more hp after 4000rpm than with the stock tune. I also like the engine monitor program which allows me to check on transmission temp. I also used the dyno program but you need to weight your truck for accurate results. Regarding fuel economy, there seems to be a modest improvement (14.2 city vs. 13.9 with the stock tune on winter gas-ethanol mix). In sum, I find this product to be useful and fun to use but do not expect miracles.

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DiabloSport Trinity T-1000 Programmer Reviews

The Perfect Tool

Reviewed By Jim W (SAINT CHARLES, MO) Reviewed for a 2014 Chevy Silverado —10/11/2016 8:12 AM

Absolutely amazing investment. I couldn't ask for more. This thing can change just about everything in the vehicle, and has the ability to be custom tuned. Couldn't ask for more. I will be getting a custom tune from Lew soon, highly recommended product!

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