View Single Post
      01-01-2010, 11:32 PM   #17
cn555ic
cn555ic's Avatar
United_States
341
Rep
18,307
Posts

Drives: 335i
Join Date: Jun 2007
Location: US

iTrader: (6)

Send a message via Yahoo to cn555ic
Quote:
Originally Posted by hl0m4n View Post
do resonators decrease flow compared to just a straight? how much sound does it take away?

also if resonators don't help with drone what does? is it ultimately the design of the exhaust?
resonators are straight pipes as you can see from my pics and doesn't effect flow but basically resonates the sound and absorbs it into the element (fiberglass), supposedly making the exhaust from rasping....I will soon find out if it works!!!