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GMC DiabloSport Performance Chips & Programmers

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Latest Customer Reviews

DiabloSport inTune i2 Tuner Reviews


Works as advertised

Reviewed By Creighton C (Concord, GA) Reviewed for a 2015 GMC Sierra —5/31/2017 9:50 AM

Really woke up the 5.3L in my vehicle using the canned tune. I have the Borla catback system as well so turning off the AFM is a plus, and the transmission shift to firm helps as well. Documentation could be better to help explain parameters for vehicles, etc. But overall I'm pleased and would recommend it.

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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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DiabloSport Trinity T-1000 Programmer Reviews


Exactly what I was looking for.

Reviewed By Donald S (TECUMSEH, OK) Reviewed for a 2013 GMC Sierra —2/13/2016 7:22 AM

Tuner has very good tunes an abLe to upload custom tunes via download or micro chip. Can't beat this tuner the Trinity customer service SUCKS!! I emailed them asking how to make the tuner to power down once the ignition is turned off after 4 days I got a response from them, all they said is to unplug it from the ECM port. When i mentioned wanted to use the gagues feature while driving the CS Rep came back with "sent it back where u bought it an get a refund then". That isn't cool at all.

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