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Jeep Wrangler YJ
YJ Build Threads & Member's Rides
My '94 Hunter Green “No Compromises" Build
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<blockquote data-quote="machoheadgames" data-source="post: 428098" data-attributes="member: 18789"><p><strong>Exhaust</strong></p><p></p><p>When I bought the Jeep in 2013, it had a rattly catalytic converter. Everything worked fine, it was just annoying. I drove it around for a few months that way and then accompanied my mom on a trip to Qatar in November '13 (pic of Doha skyline below for good measure). </p><p></p><p></p><p>[ATTACH]116938[/ATTACH]</p><p></p><p></p><p>When I got back from the trip, my dad surprised me by having me go run an errand so I could drive the Jeep. I noticed the rattle was gone! He had gotten the cat swapped while I was away. That was nice to have taken care of for sure.</p><p></p><p>Later on in mid 2014, my OEM muffler started rattling against the heat shield mounted to the tub. I wasn't really sure why but it sure was annoying. I think part of it was it was not super secure on the newer cat (and it was about as tight as could be). Not knowing any better, I went with a Flowmaster Super 44 muffler and a Walker Tailpipe from O'Reilly. I was excited at first, but after a few months on the highway, that wore out <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite4010" alt=":ROFLMAO:" title="ROFL :ROFLMAO:" loading="lazy" data-shortname=":ROFLMAO:" /> Overall it was loud, drony, and while it sounded 'cool' at first, it sure got old quick.</p><p></p><p>In Spring 2015, I bought the Dynomax 17309 catback. I saw a few folks give this one good reviews and said it was somewhat quiet but with good sound. I was pleased to get it installed and hear what it sounded like - exactly as described. Decent on the highway, not drony, nice sound at idle and while driving. Sadly, this one only lasted about two years. After that time period, the thin sheet metal where the cat enters the muffler had torn and allowed the system to leak. When I finally took it apart to replace, the cat fell right out of the muffler. Not sure if that was a fluke or what. </p><p></p><p>Here is the Dynomax muffler after removal:</p><p></p><p>[ATTACH]116941[/ATTACH]</p><p></p><p>I decided to replace this kit with the Magnaflow 15853 catback kit. This one is all stainless, still is not too drony, sounds good, and appears to be much better material than anything I had previously. The muffler is nicely smaller than stock but not too small to be super loud. The small size helps it to not rattle against heat shields or anything else down there. The picture only shows the muffler, I don't have one of the whole system before I installed it. It's pretty expensive at about $550 but it does seem to be good quality and so far, it is going strong. It also has a nice downward angled tip like stock, rather than blowing straight back like the other kits do. Overall, I am happy with this one and do recommend it to others who ask.</p><p></p><p>[ATTACH]116939[/ATTACH]</p></blockquote><p></p>
[QUOTE="machoheadgames, post: 428098, member: 18789"] [B]Exhaust[/B] When I bought the Jeep in 2013, it had a rattly catalytic converter. Everything worked fine, it was just annoying. I drove it around for a few months that way and then accompanied my mom on a trip to Qatar in November '13 (pic of Doha skyline below for good measure). [ATTACH]116938[/ATTACH] When I got back from the trip, my dad surprised me by having me go run an errand so I could drive the Jeep. I noticed the rattle was gone! He had gotten the cat swapped while I was away. That was nice to have taken care of for sure. Later on in mid 2014, my OEM muffler started rattling against the heat shield mounted to the tub. I wasn't really sure why but it sure was annoying. I think part of it was it was not super secure on the newer cat (and it was about as tight as could be). Not knowing any better, I went with a Flowmaster Super 44 muffler and a Walker Tailpipe from O'Reilly. I was excited at first, but after a few months on the highway, that wore out :ROFLMAO: Overall it was loud, drony, and while it sounded 'cool' at first, it sure got old quick. In Spring 2015, I bought the Dynomax 17309 catback. I saw a few folks give this one good reviews and said it was somewhat quiet but with good sound. I was pleased to get it installed and hear what it sounded like - exactly as described. Decent on the highway, not drony, nice sound at idle and while driving. Sadly, this one only lasted about two years. After that time period, the thin sheet metal where the cat enters the muffler had torn and allowed the system to leak. When I finally took it apart to replace, the cat fell right out of the muffler. Not sure if that was a fluke or what. Here is the Dynomax muffler after removal: [ATTACH]116941[/ATTACH] I decided to replace this kit with the Magnaflow 15853 catback kit. This one is all stainless, still is not too drony, sounds good, and appears to be much better material than anything I had previously. The muffler is nicely smaller than stock but not too small to be super loud. The small size helps it to not rattle against heat shields or anything else down there. The picture only shows the muffler, I don't have one of the whole system before I installed it. It's pretty expensive at about $550 but it does seem to be good quality and so far, it is going strong. It also has a nice downward angled tip like stock, rather than blowing straight back like the other kits do. Overall, I am happy with this one and do recommend it to others who ask. [ATTACH]116939[/ATTACH] [/QUOTE]
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Jeep Wrangler YJ
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My '94 Hunter Green “No Compromises" Build
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