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Challenger w/Whipple Tune.

Project detail

Need a tune for a Dodge Challenger w/M6. Current mods are a cat back and a Whipple (2.9) Supercharger. I’m running the Whipple tune but has a bit of a rough idle and sometimes the RPMs hang and slow to drop when I push in the clutch to shift. I use 93 octane from top tier gas stations, and I believe my boost to be 8-9 lbs.

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