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Jeep Wrangler YJ
YJ General Discussion
4.0 exhaust header replacement
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<blockquote data-quote="dodgerammit" data-source="post: 441506" data-attributes="member: 21375"><p>Yeah, all the Revolver reviews except that one I mentioned say they're great and have held up longer than the replacement version. The only threads I can find are from about 2014ish saying people were beginning to try them. The naysayers are the ones claiming they'll crack because of no flex joints.</p><p>Nothing as far as recent threads detailing how they did. Just very positive reviews on storefront websites.</p><p></p><p>I daily mine, so it'll take about 2 years to hit the 10K mark. I wonder if a braided flex joint welded into the head pipe would help prevent the issue with the motor mounts? Mine only has 130K miles, but is still 32 years old.</p><p></p><p>This is what concerns me. So many recent comments show nothing seems to be lasting. Mainly poor welds, but I also work with stainless everyday. Mostly in automotive applications. I've noticed the customers are utilizing poorer quality metal more often. Often switching to lower grade stuff when they used to use better. Typically, it's been from 441 (which has more corrosion resistance) to aluminized 409 (which is crap at holding welds regardless what normal 409 does). I prefer 304 if possible for anything exhaust for durability.</p></blockquote><p></p>
[QUOTE="dodgerammit, post: 441506, member: 21375"] Yeah, all the Revolver reviews except that one I mentioned say they're great and have held up longer than the replacement version. The only threads I can find are from about 2014ish saying people were beginning to try them. The naysayers are the ones claiming they'll crack because of no flex joints. Nothing as far as recent threads detailing how they did. Just very positive reviews on storefront websites. I daily mine, so it'll take about 2 years to hit the 10K mark. I wonder if a braided flex joint welded into the head pipe would help prevent the issue with the motor mounts? Mine only has 130K miles, but is still 32 years old. This is what concerns me. So many recent comments show nothing seems to be lasting. Mainly poor welds, but I also work with stainless everyday. Mostly in automotive applications. I've noticed the customers are utilizing poorer quality metal more often. Often switching to lower grade stuff when they used to use better. Typically, it's been from 441 (which has more corrosion resistance) to aluminized 409 (which is crap at holding welds regardless what normal 409 does). I prefer 304 if possible for anything exhaust for durability. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
4.0 exhaust header replacement
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