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Have anyone received a custom tune from Doctor Differential and Speed Shop?

Thanks
Do NOT do it, this guy totally trashed my turbo 5.7 Hemi Build. So far this guy is a major miss or a minor hit. Disregarding your setup from NA 5.7 to boosted 6.4 and 6.5 hemi builds and this guy has just been a regrettable tune from 8/10 of the guys I know.
 

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Discussion Starter · #3 ·
Do NOT do it, this guy totally trashed my turbo 5.7 Hemi Build. So far this guy is a major miss or a minor hit. Disregarding your setup from NA 5.7 to boosted 6.4 and 6.5 hemi builds and this guy has just been a regrettable tune from 8/10 of the guys I know.
Thanks for info
 
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