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3rd Gen Ram Tech2002-2008 Rams: This section is for TECHNICAL discussions only, that involve the 2002 through 2008 Rams Rams. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
I just had a Flowmaster 40 put on a few weeks ago and it has a nice rumble to it. They asked if I wanted the reasonator taken off. Which I'm assuming is that small muffler near the back axle. I told them no, leave it on for now. Should I have had it taken off? I didnt want it to be too loud where I disturb the neighbors. Am I losing performance with it still on there? Thanks
With a FM 40 you didn't gain much performance. If you leave it on it will help lower the drone.
Flowmaster actually hinders performance even over that gigantic muffler you pulled off. Flowmaster is for sound preference only and not flow chart friendly. Granted you don't need to flow 18,000cfm's but more does help with the Hemi.
As for the resonator, i would leave it if you still have your MDS active or you will be so irritated by the sound when MDS kicks in.
Last edited by Cheeech; 04-28-2009 at 06:17 PM.
Reason: cfm not cfrm...typo
My '05 doesnt have MDS (if thats when it kicks down to 4 cyl). Is there an aftermarket muffler that has better flow? or one that is recommended for the HEMI? not really looking for loudness.