Why won't this fit my '89 - JeepForum.com
 
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post #1 of 2 Old 11-29-2014, 12:04 PM Thread Starter
Rebel442
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1989 YJ Wrangler 
 
Join Date: Jul 2008
Location: Chicago
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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.

http://www.flowmastermufflers.com/?p...tegory=Exhaust Kits&kw=


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post #2 of 2 Old 12-03-2014, 10:29 AM
FlowmasterMufflers
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2000 TJ Wrangler 
 
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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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