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GMC Jimmy Power Programmers & Performance Tuners

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Latest Customer Reviews

Jet Performance Programmer Reviews


bruce

Reviewed By bruce w (SAN ANTONIO, TX) Reviewed for a 2015 GMC Sierra —4/27/2017 9:14 AM

It was the right thing for me, it woke up my 6.0L gmc 2500HD I needed it for pulling my RV. Thank You

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DiabloSport PC Interface - USB Cable Kit Reviews


Great buy

Reviewed By Kolton B (LEVELLAND, TX) Reviewed for a 2009 GMC Sierra —7/19/2016 11:58 PM

Got here extremely fast, works excellent.

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SCT X4 Power Flash Programmer (49-State Legal) Reviews


My tuner

Reviewed By steven b (KENNEWICK, WA) Reviewed for a 2016 Ford Focus —5/18/2017 10:15 PM

Very simple to install noticed the increased power immediately impressed with the added power in fact race a charger less than a quarter-mile almost one so it definitely added power

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