I'm interested to know the possible modifications available for JCW without jeopardizing manufacture's warranty. I know this may differ from dealer to dealer. Generally, what're someof the possibilities? Suggestions? :smile:

I realized the truth of this statement, "the journey down the road of modding is endless."


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04 IB/W JCW MCS

 

Magnuson-Moss Act sez anything you want.

I did lots of "passive" mods like Milltek, Throttle body, H-Sports(not passive, but softer than stock, mostly, less rattles), rear bar, wheels/tires, intake, etc.

Internal mods like cam, flywheel, etc prob can be an issue.

Intercooler doubtful to be issue, but dealer can be PITA. Again, read Magnuson-Moss, SEMA is here to protect us and their members from getting shafted by blame.

FWIW
Lee