Bully Dog 40428

sceptre_81

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Does anyone have any experience with these tuners? I am in Canada so did a full removal and installed the GT 40428 tuner.

I run it in tow mode (+50 ish) but I did not tune the transmission as I read the older Bully Dogs were not good for the trans.

Anyone have any input on these new ones?

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sootie

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They work....but there are a ton of better options.
 

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