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2012 GMC Yukon XL Performance Monitors

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Latest Customer Reviews

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


Great results EPA and performance!

Reviewed By Anthony L (Gig Harbor, WA) Reviewed for a 2000 GMC Yukon XL —10/7/2015 8:47 AM

So far I have put about a thousand miles on my 2000Yukon XL with the bullydog and fuel averages went from fifteen to eighteen combined with a noticeable difference in performance of throttle response. It seems like in time the Bullydog will pay for itself and make the truck more usable with both power and MPG increases. Auto anything did a great job on price and getting it here quickly once again. I would definatly recommend this product to anyone and suggest auto anything as he place to get it.

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DiabloSport inTune i2 Tuner Reviews


04 SSR

Reviewed By JON J (Port St Lucie, FL) Reviewed for a 2004 Chevy SSR —1/17/2017 6:37 AM

Tuner is easy to use. Major power difference. With doing the dual exhaust this tuner gets awesome HP.

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DiabloSport Trinity T-1000 Programmer Reviews


Great product for quick gains

Reviewed By Monty W (TYLER, TX) Reviewed for a 2014 Dodge Challenger —1/10/2017 8:45 PM

As soon as you get this, go through the instructions carefully and make sure to download and update all of the software. Truth is these things can sit on shelves or in warehouses and be out of date. After all of this is done it is easy to set up and go. This tuner has excellent features including a factory back up that can be installed back at any time. Once I installed mine, I noticed hp gains especially in gears 1-3. I have a 2014 Challenger Shaker with the 5.7 Hemi. Love it!

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