OK.. I have an 08 with the RIPP SC installed. It was quirky and I have worked out most of the bugs.. their latest version seems to have it all together now. Especially since they have gotten away from the added fuel injectors and the "black box" AS I UNDERSTAND IT.. I have the older version soo.... FWIW
Two: I have installed those headers on a customers 07 unlimited (4door) and I will say that they are the best headers I have seen. There is a report from another here that he said you could "touch" the headers after running them and letting them sit just a few minutes.. well this is true. I have done it. My customers first set of headers from brand "X" ran so hot and chity .. he went through 4 sets of plug wires in a few months. Its now been 6 or so weeks with the Ripp headers and they all they say they are.
He (my customer) also reported that he felt the power curve did indeed move down the RPM band.. this is a very good thing for off-roading.
Although pricey, those headers are WELL worth it. And the company is rock solid in my personal experience.
Proud to be an American
Shamed of our government
Native Floridian = MUD
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