Matt on here has a Nismo and went with the Berk HFCs and there really wasnt much a sound difference with them and the stock CBE, so getting too loud shouldnt be a problem. He actually wants his louder so he might change the CBE too. Im sure the gains were there but not too much sound difference. Ive heard his exhaust and it sounds good and not too loud.
So a question I have for those that went with HFCs first and still had stock (non Nismo) exhaust, how much louder did yours get? Does the Nismo have something else to keep the sound down?
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2010 LS3 C6 Silver coupe corvette
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