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4SD FED · 09-09-2009, 07:51 AM

I thinks it's a back pressure, the more back presure the less it will make the noise, but a free flowing exhaust will have less back pressure, so it's something we mut live with... I like the noise

09-09-2009, 07:51 AM	#2
4SD FED Drives: 2010 rs/ss camaro Join Date: Sep 2009 Location: Rochester Mich Posts: 340	I thinks it's a back pressure, the more back presure the less it will make the noise, but a free flowing exhaust will have less back pressure, so it's something we mut live with... I like the noise __________________