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true dual????

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Old Mar 15, 2004 | 03:24 PM
  #1  
solidpwder's Avatar
solidpwder
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Mountain Pass
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From: Jackson
Question true dual????

I got a 2003 FX4 and I want dual exhaut, sould i go with true dual, or cat. back, and what size pipe, and what kind of muffler, I want the best for gas milage.
 
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Old Mar 20, 2004 | 07:10 AM
  #2  
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Jasperford97f150
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From: Twelve Points, Terre Haute, IN
Go with true duals w/ single chamber flomasters on each pipe. It dramatically improves performance and gass mileage. I would also suggest hedman hooker headers too, that is if you really want to go all out. They cost a pretty penny, but thay'll save you lots of pennies in the long run. Your truck will run great and have decent gasmileage at the same time!
 
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Old Mar 20, 2004 | 10:17 AM
  #3  
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solidpwder
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Mountain Pass
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From: Jackson
I think its 3 inch pipe coming from the cat. should i stick with 3 inch or should and go down to 21/2, and i think a 40 serices muffler would be good. Do you have this on your truck????
 
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Old Mar 20, 2004 | 04:35 PM
  #4  
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LxMan1
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From: Louisville,Ky.
Mine is 3" in dual 2.5" outlets . #430402 Flowmaster
 
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