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Old 03-05-2007, 06:54 PM   #19 (permalink)
bdiddy
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Join Date: Aug 2003
Location: Charlotte, NC
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Re: Zetec Mods Dyno Comparison

Quote:
Originally Posted by Yofavcracka
imagine the exhaust, if you go bigger piping than 2.5 the exhaust starts to not have enough back pressure to give you horsepower, so the piping is decreased for the amount of displacement that your engine creates which gives you torque. too big - doesnt flow fast enough to give you that torque.


horrible example. backpressure and exhaust is crap. I made a post about this a while back in garage talk
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