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Old 12-03-2006, 08:01 AM   #28
Cat320
Montana Master
 
Join Date: May 2006
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Posts: 1,700
M.O.C. #5751
Although I'm not planning on doing anything to my engine, if I was going to some how tweak it, it would certainly not be until the warranty had expired. There are all sorts of warnings in my owner's manual about "After market performance enhancement kits." It says they may have "detrimental effects on the performance and life of the powertrain." Not worth it to me.
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