Why won't this fit my '89
Your Force II system is only listed to fit the 4.0 YJ's, but why wouldn't it work on the older 4.2's? To the best of my knowledge the body tub and axle setups are all the same. Is it just a flange or hanger setup that's different? Would having an aftermarket cat(longer or shorter) fix some issues? I'm running a Borla header so pipe diameter is already not stock. Thanks for any help.
It Wouldn't Be A Project If Everything Worked Right.
This system was designed for use with the 4.0L HO engine. We also do not list this kit as fitting 1991-1995 2.5L YJ's. Although you may be able to modify this kit to work on your Jeep, it is not a "direct-fit" system, and it has not been engineered specifically for your engine.
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