4.0 performance
01-13-2011, 11:14 AM
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4.0 performance
Ive got a 2010 4x4 4.0 auto.What can I do to increase the performance without losing my warranty.do underdrive pulleys make a big difference how about a flowmaster or a chip?
Thanks Trash
01-13-2011, 01:25 PM
Join Date: Jan 2003
Location: Connecticut
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Some basic performance-related info for your 4.0L SOHC can be found
HERE.
I believe Gibson makes some headers for the 4.0L Ranger.
