sinkrun Posted August 2, 2012 Share Posted August 2, 2012 Time for new exhaust all factory 4.0 and have the money for a flow master or something of that sort. I do not want it to sound like a rice burner any suggestions also time for a new cat. Link to comment Share on other sites More sharing options...
Dadinator Posted August 2, 2012 Share Posted August 2, 2012 The cat on mine is long gone. (Before I even owned it, it was gutted) Flowmaster sounds nice on it. 4.0's don't sound rice. Deep sounding rumble like. Not loud. Not V8 mind you, but definitely not rice. Link to comment Share on other sites More sharing options...
cody4359 Posted August 2, 2012 Share Posted August 2, 2012 my flowmaster 50 was a bit high pitched for my likeing, until i did the header. thinking of an el' cheapo thrush or maybe borla or magnaflow Link to comment Share on other sites More sharing options...
Eagle Posted August 2, 2012 Share Posted August 2, 2012 Gibson. IMHO the ONLY exhaust that sounds even halfway decent on an in-line six. Link to comment Share on other sites More sharing options...
AMCJeepMJ Posted August 2, 2012 Share Posted August 2, 2012 What's wrong with another stock muffler to keep it quiet? You're just going to rile up the neighborhood with a noisy exhaust, and get sick of the drone when on the highway. Link to comment Share on other sites More sharing options...
sinkrun Posted August 3, 2012 Author Share Posted August 3, 2012 Actually I am over 40 now and do like quiet and it is just a toy so its not driven much. However if I buy the cat and muffler from ebay its less than s stock one here. I am tired of the rice rockets up the road from me all night so I thougt why not have some fun in the morning when the stoners are in bed roaring by myself on the way to work or town. Link to comment Share on other sites More sharing options...
johnr Posted August 3, 2012 Share Posted August 3, 2012 i put a dynomax on my 01 cherokee dd after the flowmaster rotted off. i like it a lot, not to loud and i did not notice any decrease in preformance . they seem to go on sale once or twice a year and offer a $75.00 gift card for the purchase. the only down side is its not stainless Link to comment Share on other sites More sharing options...
Dirteatr717 Posted August 3, 2012 Share Posted August 3, 2012 I have the stock cat and original exhaust manifold and i added a flowmaster super44 and I think it sounds awesome after having it on there for over a year now, my friend has a delta flow 50 withno cat and they're about equal noise wise. They both sound Pretty good IMO Link to comment Share on other sites More sharing options...
sinkrun Posted August 3, 2012 Author Share Posted August 3, 2012 After messing around on youtube and checking prices on ebay I am thinking of the 40 series and magnaflow cat should be around $150.00 for both. Not to bad I quess? Link to comment Share on other sites More sharing options...
Zebvance Posted August 3, 2012 Share Posted August 3, 2012 I have a pacesetter header, generic 2.5 inch high flow cat, and 2.5 single in single out magnaflow muffler to a 45 degree dump. I love the tone it has its lower pitched and less raspy than a flow master but I just wish mine was a little loudler, I wish to go to a shorter magnaflow in the future so I will prob post mine for sell on here soon here is the muffler http://performance-curve.com/search.aspx?find=11216 here is the cat http://performance-curve.com/search.aspx?find=410250 Link to comment Share on other sites More sharing options...
cody4359 Posted August 3, 2012 Share Posted August 3, 2012 Gibson. IMHO the ONLY exhaust that sounds even halfway decent on an in-line six. does yours sound similar? i like the sound on thru the computer, and looks like it boost the power so you can do burnouts... :roll: Link to comment Share on other sites More sharing options...
Zebvance Posted August 3, 2012 Share Posted August 3, 2012 Here is mine SmkM-sqRCjk Link to comment Share on other sites More sharing options...
Stacks Posted August 3, 2012 Share Posted August 3, 2012 Just as a comparison.... here's a generic 18" glass pack, output split and feeding 30" dual 3.5" stacks. click on the image. Link to comment Share on other sites More sharing options...
JFAComanche6 Posted August 3, 2012 Share Posted August 3, 2012 I had just a cat on my MJ when I first bought it which sounded sick, but it was way loud and fumegated the cab. I put a walker-thrush 26-inch glasspack on it now, and it sounds pretty ballsy when its warmed up. Link to comment Share on other sites More sharing options...
kawaboy13 Posted August 4, 2012 Share Posted August 4, 2012 I went through the same choice. I have a stock cat and a flow master 40 series single in dual out dumped before the rear axle. It sounds awesome to me. It is loud inside and out but not headache loud. Everyone definitely hears you outside and everyone I've talked to thinks it sounds good. Rumbles lower than many of my friends V8s and much louder than a V6. I'm very happy with it Link to comment Share on other sites More sharing options...
nhrocker Posted August 13, 2012 Share Posted August 13, 2012 I've been running Dynomax Super Turbo mufflers on my XJ for years. Always love the sound of them, so I picked up another and tossed it on my MJ. At the time I got it for around $40 shipped, now I think they're up to like $52 shipped? Still not bad IMO. Cat delete, no tailpipe, tip goes through the frame rail and dumps out the side near the front of the bed. I love the way it sounds. Nice deep tone, no high pitched noises whatsoever. It's got to be one of the lowest tones on a 4.0 I've ever heard. It's actually deeper sounding on my Renix MJ than on the HO XJ. Link to comment Share on other sites More sharing options...
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