I think there is actually 3 steps to the missing problem at high rpm's. Plug and plug gaps, wires, and PCM. I have gotten very smooth performance out of Iridium plugs gaped wide at the factory and MOPAR performance plug wires. No need to go the PCM route but I should just to be on the safe side. By product is more consistent highway mileage in the 24 to 25 mpg range at 80 mph.
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06 GT Auto, Cool Vanila Exterior, Presto Change O 3bl, Cargo Mat and Net, Billet Oil Cap, Yoko Avid 4Vs Tires, 03 GT Wheels, 4 Chrome Door Handle Screw Covers, MOPAR Mud Flaps, H&R Rear Sway Bar, Freedom Strut Tower Bar, Rear Door Sill Covers.
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