Quote:
Originally Posted by 73 TRANSAM
I feel that the neck down is so close to the turbo outlet, it will hurt on flow. I have a 5" about 15" then I neck it down to 4" going to the midplate. Then by the tranny it splits to 2 three inch piping. Single turbo is better with a 5" to let it breathe better at higher rpms. I do have a fender exhaust for the track. The street setup sounded very tame so that is a plus.
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Sup Ed!
Post up a picture of you down pipe give him some ideas for what hes doing . It always helps me to see what others do ...