single primary style header
pri dia... 2.050" to 2.175" ...length 33.5" to 36.6"
collector dia... 3.725" to 3.975" .. length 17.9"
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2 step style
1st pri dia... 2.050" ... length .. 16.7" to 18.3"
2nd pri dia... 2.175" ... length .. 16.7" to 18.3"
same collector
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3 step style
1st pri dia... 2.050" ... length ..16.7" to 18.3"
2nd pri dia... 2.175" ... length ..8.4" to 9.1"
3rd pri dia... 2.300" ... length .. 8.4" to 9.1"
same collector but stay to the large size
all specs are OD with a wall thickness of .062
this is what the program came up with ,and my choices to go by...I was thinking the step would make the most power..and I need all I can get..lol
