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SVT Shelby GT500
worthwhile performance gains from 2.5" exhaust to 3"
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<blockquote data-quote="Robert M" data-source="post: 16385028" data-attributes="member: 9628"><p>^^^^^and one more add to your "soooooo restrictive" mention above................We are back to.....Why would Ford/SVT engineers upsize the pipe from 2.5" to 2.75" while retaining those restrictive manifolds if the manifold outlet is only 2"? What benefit would a 2.50" to 2.75" make? They apparently, through testing found a benefit to redesigning the exhaust system to the larger 2.75" size at the 550HP level....</p><p></p><p>......and then take a 3" long tube header collector and taper it down to a 2.5" exhaust system........Say What?!?!?</p><p></p><p>R</p></blockquote><p></p>
[QUOTE="Robert M, post: 16385028, member: 9628"] ^^^^^and one more add to your "soooooo restrictive" mention above................We are back to.....Why would Ford/SVT engineers upsize the pipe from 2.5" to 2.75" while retaining those restrictive manifolds if the manifold outlet is only 2"? What benefit would a 2.50" to 2.75" make? They apparently, through testing found a benefit to redesigning the exhaust system to the larger 2.75" size at the 550HP level.... ......and then take a 3" long tube header collector and taper it down to a 2.5" exhaust system........Say What?!?!? R [/QUOTE]
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SVT Shelby GT500
worthwhile performance gains from 2.5" exhaust to 3"
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