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Old 01-31-2013, 08:29 AM   #30
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Originally Posted by cobrajet429 View Post
You want too still cram as much air as possible with a scavenging affect. Air is still a factor in power making.
Right, and having less exhaust backpressure, by removing restrictions in the exhaust system will increase this effect to a point.

People are getting all bent outa shape about loosing back pressure in these Focus motors, it's not as much of a foctor as say a Honda. Opening up the exhaust systems on these new Focus engines is really going to wake them up.
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