View Single Post
Old 07-10-2013, 02:37 PM   #11 (permalink)
corner3garage
The370Z.com Sponsor
 
corner3garage's Avatar
 
Join Date: Oct 2009
Location: Laguna Hills, CA
Posts: 9,879
Drives: 240sx, 350z, 370z
Rep Power: 35
corner3garage will become famous soon enough
Default

Quote:
Originally Posted by blumango View Post
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?
Could definitely be from your combination of exhaust and HFC.

The HFC do increase flow through the exhaust so the increased sound is expected.

-Mike
__________________
Corner3motorsports.com
corner3garage is offline   Reply With Quote