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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: 441501" data-attributes="member: 21375"><p>Hearing the dreaded 'pft-pft-pft' noise from the floorboards. Figuring I'm most likely dealing with a cracked exhaust manifold (header). When I tackle it, I will probably replace the entire system while I'm at it. </p><p></p><p>Reading very mixed reviews of replacement headers. </p><p>Seeing everything from Banks is great, to banks is garbage. </p><p>The new Revolver gets really good reviews. Did find a thread where an early version did crack.</p><p>Also seeing 'cheapie' flex header replacement is great/garbage.</p><p></p><p>One thing does seem to hold true is the 2000+ 2 piece factory deals last.</p><p>But then I found the ports don't match. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3996" alt=":mad:" title="Mad :mad:" loading="lazy" data-shortname=":mad:" /></p><p></p><p>Figures. Find a possible solution, and it doesn't work for my application.</p><p></p><p>So, what is the consensus from those who have done the replacement?</p><p>I'm not after any snake oil BS claims of improvements. I am after bolt on durability. Fix it once and forget it.</p><p></p><p>Spend the $$$ for a Banks or cheap out and buy the flex header knowing either way, you'll be back in to repair?</p><p></p><p>Another possibility I've thought of is welding some extra metal gussets to the cheapie flex header for crack resistance. I have access to differing grades of stainless in varying thicknesses.</p></blockquote><p></p>
[QUOTE="dodgerammit, post: 441501, member: 21375"] Hearing the dreaded 'pft-pft-pft' noise from the floorboards. Figuring I'm most likely dealing with a cracked exhaust manifold (header). When I tackle it, I will probably replace the entire system while I'm at it. Reading very mixed reviews of replacement headers. Seeing everything from Banks is great, to banks is garbage. The new Revolver gets really good reviews. Did find a thread where an early version did crack. Also seeing 'cheapie' flex header replacement is great/garbage. One thing does seem to hold true is the 2000+ 2 piece factory deals last. But then I found the ports don't match. :mad: Figures. Find a possible solution, and it doesn't work for my application. So, what is the consensus from those who have done the replacement? I'm not after any snake oil BS claims of improvements. I am after bolt on durability. Fix it once and forget it. Spend the $$$ for a Banks or cheap out and buy the flex header knowing either way, you'll be back in to repair? Another possibility I've thought of is welding some extra metal gussets to the cheapie flex header for crack resistance. I have access to differing grades of stainless in varying thicknesses. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
4.0 exhaust header replacement
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