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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="TrackpackGT" data-source="post: 14789991" data-attributes="member: 165716"><p>It's funny I read so many posts saying these 5.0's love 1 7/8ths. I always thought that was overkill. I don't even think my LS1 header primaries were even close to that. Maybe in a non-computer monitored car, the effect would be different? I guess there would need to be a significant change in exhaust volume/velocity change if you had a max effort n/a set up like nasty cams, custom intake, larger displacement, or a big turbo set up. I definitely thought a stock engine with bolt ons wasn't going to realize real "gains" from 1 7/8th's primaries. I'm sure there is someone with their own "science" to disagree.</p></blockquote><p></p>
[QUOTE="TrackpackGT, post: 14789991, member: 165716"] It's funny I read so many posts saying these 5.0's love 1 7/8ths. I always thought that was overkill. I don't even think my LS1 header primaries were even close to that. Maybe in a non-computer monitored car, the effect would be different? I guess there would need to be a significant change in exhaust volume/velocity change if you had a max effort n/a set up like nasty cams, custom intake, larger displacement, or a big turbo set up. I definitely thought a stock engine with bolt ons wasn't going to realize real "gains" from 1 7/8th's primaries. I'm sure there is someone with their own "science" to disagree. [/QUOTE]
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Exhaust
Long tube headers, which Primary size is 'best'?
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