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GEN 2 (2017-2020) Ford F-150 Raptor Forums
Ford Raptor Engine Discussion and Performance Mods
Stock downpipe size comparison
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<blockquote data-quote="jmrekieta" data-source="post: 1249146" data-attributes="member: 25199"><p>What cell count are the “green” kooks cats? I think the SPD’s are 400. </p><p></p><p>Which are better for performance? Is there a significant difference between the two? </p><p></p><p>I assume the green cats will pass emissions in the 48 States? Might the SPD pipes not pass emissions? </p><p></p><p>I live in Dallas Texas, so ice and snow are minimal. </p><p></p><p>I’m trying to figure out if the Kooks pipes are worth twice the money for my application. Stainless vs not. Green cats vs SPD cats.</p><p></p><p>Would appreciate any advice.</p></blockquote><p></p>
[QUOTE="jmrekieta, post: 1249146, member: 25199"] What cell count are the “green” kooks cats? I think the SPD’s are 400. Which are better for performance? Is there a significant difference between the two? I assume the green cats will pass emissions in the 48 States? Might the SPD pipes not pass emissions? I live in Dallas Texas, so ice and snow are minimal. I’m trying to figure out if the Kooks pipes are worth twice the money for my application. Stainless vs not. Green cats vs SPD cats. Would appreciate any advice. [/QUOTE]
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GEN 2 (2017-2020) Ford F-150 Raptor Forums
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