8th Generation Honda Civic Forum - View Single Post - DIY ** NST Civic SI underdrive pulleys
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Old 03-03-2007, 07:46 PM   #39 (permalink)
8civic
Senior Member
 
Join Date: Feb 2006
Posts: 310
You can feel the difference at almost every RPM. If you look at pulley dyno graphs you will see that the area under the curve is always better with pulleys at every RPM.
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