BreakYaNeckSS Posted September 18, 2006 Report Share Posted September 18, 2006 i was searchn around on E-bay for my F/M 40's 3" inlet/ 3" Outlet, and found plenty of them, but there were different types. the seller didnt really do a good job of giving a description. Thers the F/M 40's Delta Flow race Mufflers and then another one i found was the F/M 40 Super 40's..im sure theres others....which ones should i be looking for..lemme know Thanks Link to comment Share on other sites More sharing options...
misterp Posted September 18, 2006 Report Share Posted September 18, 2006 The 40-series is designed for maximum resonance, the Super-40s are as loud as the 40-series but deeper sounding. The Delta-Flows are designed to cancel a lot of that resonance/drone out and be much quieter. Mr. P. Link to comment Share on other sites More sharing options...
rab986 Posted September 20, 2006 Report Share Posted September 20, 2006 The delta flow is definately the way to go unless you prefer the constant drone in the cab at highway speeds. I haven't put a flowmaster on my truck (yet....but it's just a matter of time) but if I did I would go with the next quieter series "50 Delta" with delta flow. There is very little, if any resonance, they are al little quieter with a nice deep note. Those along with a quality X-pipe will give it that smooth throaty sound that most people look for. It's either that or some 12" glass packs with a shiny chunk of stove pipe hanging out the back. Link to comment Share on other sites More sharing options...
packjh Posted September 21, 2006 Report Share Posted September 21, 2006 if you go to flowmasters website they have clips off all their mufflers and a basic run down on them Link to comment Share on other sites More sharing options...
AlanR Posted September 26, 2006 Report Share Posted September 26, 2006 I put the Delt 40s 3" I/O on mine. It sounds great to me. Here is a video of mine: http://videos.streetfire.net/search/silver...eba0adbb1a9.htm Link to comment Share on other sites More sharing options...
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