Squeezing more performance out of your Wrangler's 4.0L I6 engine is easier than you think, and a good place to start is with your vehicle's exhaust system. For some reason, auto manufacturers ...
With suspension and big tires in place on a 4x4, available horsepower and torque begin to wane. While lower axle gears will help restore some of the lost engine performance, many simply get used to ...
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