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Mustang Forums
2011-2014 Mustangs
Exhaust
Long tube headers, which Primary size is 'best'?
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<blockquote data-quote="CPRsm" data-source="post: 15380801" data-attributes="member: 81705"><p>Aren't headers supposed to be stepped down as the leave the head, not stepped up? The gas cools as contracts as it leaves the head. Smaller diameter maintains velocity despite cooling. Going up will just expand, cool and slow gas and potentially stall it.</p></blockquote><p></p>
[QUOTE="CPRsm, post: 15380801, member: 81705"] Aren't headers supposed to be stepped down as the leave the head, not stepped up? The gas cools as contracts as it leaves the head. Smaller diameter maintains velocity despite cooling. Going up will just expand, cool and slow gas and potentially stall it. [/QUOTE]
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2011-2014 Mustangs
Exhaust
Long tube headers, which Primary size is 'best'?
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