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Discussion starter · #41 ·
i am also getting that impression with my hks......

im thinking that the more back pressure produces more torque

maybe an exhaust is need only when cams are added as well.... just a thought

those numbers are pretty close to mine, and i have the headers...... headers seem to add more hp than torque
 
fran, cant say at the moment. but those are just the primary results. i'll have better results later this week with a lil more tuning. (not ign timing)
 
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