I am saying:
Full exhaust, I would not imply mufflers are worth more than 7-10hp at the wheels. I've seen plenty of guys though with stock motors and with headers, mufflers(flows) and just mass air pumping out 200-210 at the wheels.
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306ci, TFS stage 3 heads. port/pol edlebrock performer intake.
75mm mass air, 70mm TB, crane 2030 cam, Mac full length headers, flowmasters
3.73 gears, pulleys, March ram-air, AFPR...
Best time: 13.25@109.37mph 2.09 60'
Best MHP: 13.53@110.07mph 2.15 60'
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