led_balloon Posted April 17, 2007 Share Posted April 17, 2007 can you use a cherokee 4.0 l6 cold air intake on a MJ? is there a true way to get duel exhaust THANKS! LEDZEP Link to comment Share on other sites More sharing options...
speed_racer Posted April 17, 2007 Share Posted April 17, 2007 MJ = XJ from cab forward, so I'd say yes. DUals? Its an inline motor... you'd have to Y-Pipe it. Only more stuff to rip off Link to comment Share on other sites More sharing options...
Tracker Posted April 17, 2007 Share Posted April 17, 2007 It used to popular with the low riders to make split 6 exhaust. It does sound very cool if it's done right. You have to configure the split with consecutive firing cylinders in mind to get that sound, so I'm told. Link to comment Share on other sites More sharing options...
offroader461 Posted April 17, 2007 Share Posted April 17, 2007 stock manifold thats not cracked will work just fine....and then add a free flow cat and high flow muffler and you should be set...although stock harware really isnt that bad compared to other trucks Link to comment Share on other sites More sharing options...
Pete M Posted April 17, 2007 Share Posted April 17, 2007 "True" duals (meaning each set of 3 has a separate exhaust) might end up sounding like battling lawnmowers. :hmm: Link to comment Share on other sites More sharing options...
dakal Posted April 17, 2007 Share Posted April 17, 2007 what size motors Link to comment Share on other sites More sharing options...
mjcanoe Posted April 18, 2007 Share Posted April 18, 2007 led_balloon, Air box is usable/compatible even tho they changed sometime in '91/92 from earlier yrs. Just make sure you get matching top & bottom. They flex hose on '87-'90 4.0's are for Renix fuel systems. The '91 up are for 4.0 HO's. the air box will fit both flex hoses. My suggestion on duals is only my opinion based on my desire initially to have it on mj when I did 2.5 to 4.0 swap. I declined due to $ factor & went with what was mentioned b-4. High flow cat. & muffler, I run a '99 I/manifold(equal length runners), bored out T/body, T/B spacer & tri-Y headers, all of which were installed after exhaust system mentioned. Each add-on has given me "seat of the pants" improvement. Hope this helps. mjcanoe Link to comment Share on other sites More sharing options...
mjcanoe Posted April 18, 2007 Share Posted April 18, 2007 led_balloon, I did it again! 2.5 is different size a/filter, but when I did my swap the housing did bolt up to fender well on my '86. Sorry. mjcanoe Link to comment Share on other sites More sharing options...
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