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Re: 2 1/4" or 2 1/2" Dual Exhaust?
i got stock manifolds going into 2 1/4" pipes going into original 40 series flowmasters true dual and it sounds good and then my tips are 2 1/4" inlet into 3.5" outlet and they are 22" long
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1972 C-10...402/400..flowmaster 40 series
1967 Mustang 347 stroker/C-4
1966 Mustang 289/3-speed
2013 Mustang V6/6speed w/300 ponies
I may be 23, but i sure do knows 67-72s are sexy!
Its not MPG its smiles per gallon!
build started 11/25/08
build thread: http://67-72chevytrucks.com/vboard/s....php?p=2993796
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