Nissan 370Z Forum - View Single Post - Berk HighFlow Cat with muffler delete:- Lost low end response!

blumango · 07-09-2013, 05:52 AM

Thanks all for replying. Put my original mufflers back and it's punching strong again at the low end! However its much quieter now and I can hear some metal "zing" or buzz at high revs...think its from the HFCs?

07-09-2013, 05:52 AM	#10 (permalink)
blumango Base Member Join Date: Mar 2013 Location: Singapore Posts: 75 Drives: 2010 370Z Roadster Rep Power: 12	Thanks all for replying. Put my original mufflers back and it's punching strong again at the low end! However its much quieter now and I can hear some metal "zing" or buzz at high revs...think its from the HFCs?