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flowmaster 40 series poor perfomance on my f150

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Old Mar 29, 2006 | 08:44 AM
  #16  
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From: Texas
Originally Posted by fx4holmes
I have a si/do 40 series dumped right out of the muffler and I really love the way it sounds. Maybe its not as loud becase we have something like 4 cats?
i have this same setup, dumped.. si/do... i think it sounds mean!

chris
 
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Old Mar 29, 2006 | 09:18 AM
  #17  
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From: Burleson/Athens/Brownsboro, TX
Originally Posted by omar rios
i just installed my flowmaster 40 series and i"m very disappointed not the type the sound the i wanted i previuos owned a 03 ram 1500 4.7 with the same type of mufler(40series flowmaster) it was nice tide rumble sound so i think with the same 40 series and bigger engine 5.4 i was expecting almost or better sound out my 5.4 engine and what i got is a very lousy sound i feel like i driving an old truck
any solutions?
The sound changes as it breaks in, give it a couple of weeks.
 
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Old Mar 29, 2006 | 11:02 AM
  #18  
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From: Atlanta, GA
+1.. It seems like its less loud as well.. few weeks in to it.
 
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Old Mar 29, 2006 | 02:21 PM
  #19  
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Hmm, mine has got louder/deeper but still not as loud as I want it. Trust me, it sounds a lot better under a load and outside of the cab.
 
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Old Mar 29, 2006 | 04:23 PM
  #20  
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From: Murray , Kentucky
Originally Posted by craig41071
I have 1 50 series and it sounds GREAT with my 4 inch tips!! I have a buddy that ran true duals with 40's and it doesn't sound good at all either to glass pack poppy sounding!


If you run dual straight pipes from the exhaust manifolds out the back, without an X-pipe... it will pop like crazy.. The pressure from each bank of the engine needs to equalize to help cut down on the pops.

Also, an extreme loss of back pressure will cause the pops too.
 
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Old Mar 29, 2006 | 04:58 PM
  #21  
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From: Rich, Virginia
Originally Posted by omar rios
i just installed my flowmaster 40 series and i"m very disappointed not the type the sound the i wanted i previuos owned a 03 ram 1500 4.7 with the same type of mufler(40series flowmaster) it was nice tide rumble sound so i think with the same 40 series and bigger engine 5.4 i was expecting almost or better sound out my 5.4 engine and what i got is a very lousy sound i feel like i driving an old truck
any solutions?
Your opening post says you're not happy with the sound [no mention of performance], yet your thread title says you're not happy with the performance . . .

Huh?

 
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Old Mar 30, 2006 | 06:55 PM
  #22  
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From: COLUMBIA MD
Originally Posted by bluejay432000
The sound changes as it breaks in, give it a couple of weeks.
hi Jim, you right i been notice some change in the sound!
 
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