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New Edge Cobras
1-5/8 vs 1-3/4 headers...
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<blockquote data-quote="black4vcobra" data-source="post: 14082694" data-attributes="member: 82394"><p>At this point, I'm not real sure what to believe when it comes to headers. Sometimes MM&FF can gain 40-50 hp with a full exhaust (headers, o/r mid, catback) and other times it seems like 10-15 hp is gained at the most. OP reference a header test on a motor that has a Kenne Bell supercharger, yet I found this Kenne Bell article - <a href="http://kennebell.net/KBWebsite/Common/pdfs/99-01cobraTechTips.pdf" target="_blank">http://kennebell.net/KBWebsite/Common/pdfs/99-01cobraTechTips.pdf</a> they state that long tube headers on Cobra motors under 600 hp will gain almost zero horsepower and might actually lose power compared to stock manifolds.</p><p></p><p>Maybe Kenne Bell just wants to sell more superchargers by telling people that headers aren't worth the expense and that the money should go towards a blower :shrug:</p></blockquote><p></p>
[QUOTE="black4vcobra, post: 14082694, member: 82394"] At this point, I'm not real sure what to believe when it comes to headers. Sometimes MM&FF can gain 40-50 hp with a full exhaust (headers, o/r mid, catback) and other times it seems like 10-15 hp is gained at the most. OP reference a header test on a motor that has a Kenne Bell supercharger, yet I found this Kenne Bell article - [url]http://kennebell.net/KBWebsite/Common/pdfs/99-01cobraTechTips.pdf[/url] they state that long tube headers on Cobra motors under 600 hp will gain almost zero horsepower and might actually lose power compared to stock manifolds. Maybe Kenne Bell just wants to sell more superchargers by telling people that headers aren't worth the expense and that the money should go towards a blower :shrug: [/QUOTE]
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1-5/8 vs 1-3/4 headers...
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