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Search: Posts Made By: hum slap
Forum: Engine Performance/Intakes/Exhausts 11-04-2015, 12:21 PM
Replies: 8
Views: 1,521
Posted By hum slap
Re: Anyone do a hemifever tune to their 2012 Grand Cherokee 5.7L?

HF tune was the best mod i've done to date. IMO with the HF tune standard mode with traction control off is better/faster than sport mode.
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