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Mustang Forums
SN-95 and New Edge Mustangs
blowing out cats
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<blockquote data-quote="air_commando88" data-source="post: 11053738" data-attributes="member: 93707"><p>Hey guys I really need some help. My 04 gt has been going through catalytic converters like crazy, I'm not getting any check engine light but I'm told from a mechanic that it seems to be running lean. It has a diablosport tune on it and its been on there for awhile with no problem. I never had a problem until I had an exhaust shop build me a catted x pipe with two cats to replace the stock 4 cat h pipe. Anybody have any ideas why its breaking them down? Any help would be great thanks.</p></blockquote><p></p>
[QUOTE="air_commando88, post: 11053738, member: 93707"] Hey guys I really need some help. My 04 gt has been going through catalytic converters like crazy, I'm not getting any check engine light but I'm told from a mechanic that it seems to be running lean. It has a diablosport tune on it and its been on there for awhile with no problem. I never had a problem until I had an exhaust shop build me a catted x pipe with two cats to replace the stock 4 cat h pipe. Anybody have any ideas why its breaking them down? Any help would be great thanks. [/QUOTE]
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SN-95 and New Edge Mustangs
blowing out cats
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