Quote:
Originally Posted by SnapOv3st3r
Just keep in mind that you will lose torque when you do. 3 inches on a N/A car does that. You are removing the back pressure by having a larger exhaust and thus killing your torque output. Not the same case when you have a turbo setup cause the turbo needs to flow and hates back pressure.
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That is completely untrue and a very old myth. It is very well know that a 3" exhaust on an N/A 4 cyl does in fact NOT lose power or torque. If anything, you gain both of those all across the power band. Most N/A Hondas are running 3" systems that gain more power than their 2.5" counter parts. Just ask Fullblown about how much better S2K's run with 3" systems.