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Exhaust Important ???

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Old Dec 23, 2007 | 09:57 PM
  #1  
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From: Tulsa, Oklahoma
Exhaust Important ???

I had a new exhaust installed recently , but went a non stock set up.

Truck had the factory single muffler/converter set up with dual pipes together
exiting on the passenger side.

I went to the old style dual glass packs with pipes running out both sides behind each wheel. Converter was removed (don't tell the government)

Will this cause an problems with truck ??

Have heard stories that one should stick with original exhaust !!
 
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Old Dec 23, 2007 | 09:58 PM
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I dont think there are many on here with a stock exhaust. There are wild and mild. Only if you have no exhaust that is bad. If there isnt enough back pressure.
 
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Old Dec 23, 2007 | 10:21 PM
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Its fine, you WILL notice improved performance and MPG.

Original exhaust sucks and is restrictive enough to rob power and kill mileage.
Good work ditching the cats too.
 
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Old Dec 23, 2007 | 10:34 PM
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Well, I feel a little better.
I had heard stories, that if you went away from stock exhausts that it would cause the engine to run hot or even run bad......guess they were just stories.
 
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Old Dec 23, 2007 | 10:40 PM
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Those are stories cooked up by the Al Gores of this world. Or by people like bearriver who just want to sell you their products...

Now that your engine is exhaling better Id sujest improving the intake side of things to really notice a big difference in throttle responce. A simple high flow element from K&N combined with a performance exhaust is enough to put a smile on your face when compared to driving a stock truck
 
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Old Dec 23, 2007 | 10:41 PM
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what year is this vehicle
 
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Old Dec 23, 2007 | 10:43 PM
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I noticed the biggest when I went 2 long tubes. God Bless PERFORMACE parts, and my need to change everything.
 
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Old Dec 23, 2007 | 10:46 PM
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It is a 1988 F-250 4X4 with a 351W !
 
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Old Dec 23, 2007 | 10:50 PM
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Expect to pick up a good 2-5 mpg and a fair bit of hp too (5-20 over old system) depending on how clogged your cats were. Not to mention the big smile factor!
 
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Old Dec 23, 2007 | 10:54 PM
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I am old school and the sound of glass packs sends a chill down my spine which is why I installed them instead of the Flowmasters which cost a bit more.
 
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Old Dec 23, 2007 | 11:00 PM
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I absolutly agree, to much time spent buildin musclecars and truck, i think that chambered mufflers sound to tinny! Give me glasspacks or give me straightpipes!
Is there any better sound than burned out glasspacks lightin it up when the red lights change?
 
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Old Dec 24, 2007 | 07:58 AM
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wait till they burn out blloyd.......talk about bringing back the past!

Real Old school here and I love them.......

Bob
 
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Old Dec 24, 2007 | 09:57 AM
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i have a 94 f150 4.9 should i get glasspacks or flowmasters?
 
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Old Dec 24, 2007 | 11:34 AM
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The best exhaust mods I ever made were to keep the cats and remove the muffler.
 
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Old Dec 24, 2007 | 11:40 AM
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Being it's an 88 you need to keep your mods toned down a bit...the SD is more sensitive to mods.By mods I'm talking about cams heads so on and so forth...If you're gonna get a better intake......just get a drop in Filter not a cone......the so-called FIPK cold air kit isn't sucking cold air if it's sucking engine air....just get a good drop in......and get the 300-6 or 460 air horn from the airbox to the core support...it'll help you get colder air into your engine.Luck and happy holidays.

JR
 
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