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Old Nov 10, 2004 | 01:22 PM
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exhaust choice?

i have and 300 inline six 4 speed with stock exhaust...i went to the junk yard and i found some dual exhaust manifolds and pick them up...next weekend my son and i are going to put them on..with dual exhaust with no cats havent made up are mind on mufflers yet...he is wanting a lil more power out of this are we going to tell any difference in this?? thans for all the help
 
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Old Nov 10, 2004 | 02:39 PM
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With the OEM intake you will need to do some grinding to the ears to get the EFI exhaust manifolds to fit. The EFIs will give you some performance increase because they are close to headers. Walker exhaust part number 45-166 is the down pipe for the manifolds and it does not have the converter attached. I used the Flowmaster 40 and it sounds very good. Last week I had an argument about what engine I had in my truck. The guy would not believe it was an I6 until I opened the hood.
 
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Old Nov 10, 2004 | 05:38 PM
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your 40 series doesn't sound like a ricer does it?
just wondering because that is what i'm going to put on my truck
 
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Old Nov 10, 2004 | 06:13 PM
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i had a 71 300 with a 3 speed and i slipped a single 40 series on it and it sounded pretty deep and good, of course that was just one
 
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Old Nov 10, 2004 | 07:38 PM
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No Ricers in my family or vehicles that sound like one. No the 300 sounds good with the 40!
 
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Old Nov 10, 2004 | 08:16 PM
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how did yall exit the truck? SI/DO with tips? out in front of tire? turn down what?
thanks!

thecowboy
 
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Old Nov 10, 2004 | 11:07 PM
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From: shepherd
mine just ended at the muffler under the cab.
 
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Old Nov 10, 2004 | 11:56 PM
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Gibson cat back but I like a nice soun yet still a sleeper.
 
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Old Nov 11, 2004 | 12:08 PM
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Exits passenger side behind the tire!
 
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Old Nov 12, 2004 | 10:12 AM
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are you using a delta flow or an original 40?
what size IO should i order consitering my exhaust is stock diameter.
 
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Old Nov 12, 2004 | 11:39 AM
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Yes it's a delt and 2.25 IO.
 
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Old Nov 12, 2004 | 01:21 PM
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ok thanks
what does it sound like
a grain truck? if so thats pretty good
 
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Old Nov 12, 2004 | 04:37 PM
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i had a 40 delta on my 90 f-150....302.....people said it sounded like a mustang before they actually saw what it was....can anyone recomend a highflow cat for my I6?
 
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