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2013-14 Shelby GT500
Kooks vs LTH headers
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<blockquote data-quote="fuelforfire87" data-source="post: 16759348" data-attributes="member: 172024"><p>Honestly the only real way to know the power difference between brand A and brand B headers would be to dyno the car with brand A installed, then uninstall and install brand B and re-dyno the same day. Given the amount of time it takes to install headers on these cars, that would be practically impossible. Your splitting C hairs between all the good header companies as far as power gains. I'd bet money that all good headers (Kooks, ARH, Stainless Works, LTH, etc.) would be within 5 HP of each other on a stock motor car, which is not a measurable difference anyways because back to back dyno runs can vary by that much. Heck, Mustang Lifestyle made 1350whp with his GT500 through LTH 1-7/8" headers, so obviously they must flow pretty well. Also [USER=72356]@Turbo98GT[/USER] has made some pretty stout numbers with the LTH headers as well.</p><p></p><p>Also [USER=196150]@darksykal[/USER] interesting dyno numbers. I wonder why on the after video the correction factor HP numbers are lower than the actual HP numbers. Was the temperature significantly cooler than when the car was dynoed before headers?</p></blockquote><p></p>
[QUOTE="fuelforfire87, post: 16759348, member: 172024"] Honestly the only real way to know the power difference between brand A and brand B headers would be to dyno the car with brand A installed, then uninstall and install brand B and re-dyno the same day. Given the amount of time it takes to install headers on these cars, that would be practically impossible. Your splitting C hairs between all the good header companies as far as power gains. I'd bet money that all good headers (Kooks, ARH, Stainless Works, LTH, etc.) would be within 5 HP of each other on a stock motor car, which is not a measurable difference anyways because back to back dyno runs can vary by that much. Heck, Mustang Lifestyle made 1350whp with his GT500 through LTH 1-7/8" headers, so obviously they must flow pretty well. Also [USER=72356]@Turbo98GT[/USER] has made some pretty stout numbers with the LTH headers as well. Also [USER=196150]@darksykal[/USER] interesting dyno numbers. I wonder why on the after video the correction factor HP numbers are lower than the actual HP numbers. Was the temperature significantly cooler than when the car was dynoed before headers? [/QUOTE]
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2013-14 Shelby GT500
Kooks vs LTH headers
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