Anyone ever used one of these?
JEEP WRANGLER GF Peformance Chip
are they worth it or are they junk? and do you think they would void a warranty?
are they worth it or are they junk? and do you think they would void a warranty?
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I use the superchip and have found it to be one of the best out there for the price. I think they retail for $339, but you can pick them up for $250-$275 on here or on some websites. I have a 08 Rubicon and use the 3875 model.


