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Schlok · 08-09-2009, 10:39 PM

yeah I did a muffler delete with straight pipes instead of SLP loudmouth I and love it, finally sounds like there is something under the hood. Same thing, some back pressure 'pops' at certain RPMs and it's LOUD at about 2k RPM.

08-09-2009, 10:39 PM	#5
Schlok Drives: 2015 Z/28 #397 2022 ZL1 #1799 Join Date: Jul 2009 Location: DC Posts: 521	yeah I did a muffler delete with straight pipes instead of SLP loudmouth I and love it, finally sounds like there is something under the hood. Same thing, some back pressure 'pops' at certain RPMs and it's LOUD at about 2k RPM.