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armthelaser · 03-22-2005

I was wondering if you really need back pressure? If it is from a cat, muffler, or resonator or is some needed for any purpose at all?

03-22-2005	#1
armthelaser Join Date: Dec 2004 Location: Brooklyn Park, MN Posts: 23	Back Pressure I was wondering if you really need back pressure? If it is from a cat, muffler, or resonator or is some needed for any purpose at all?