Quote:
Originally Posted by GreatWhiteLT
My car did not come with the NPP, my father has NPP on his and with his valves on and us driving next to each other you can't hear his car over mine. I would say it's definitely louder than the stock NPP on track mode. Once I get the headers installed I know it'll definitely be a lot louder.
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Thank you.. that’s probly the best scenario possible to answer my question