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Old Dec 6, 2008 | 11:37 PM
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From: raymond alberta
x-pipe or no x-pipe?

ok my plan for an exhaust overhaul on my 95 f150 300 I6...i want to run dual LT headers ( Clifford Performance: 53-0960 "6=8 HEADERS" Ford Truck Headers 1980-97 2wd & 4wd & 1965-79 2wd Only ) keep the cat no muffler probably 2.5" pipe from the cat back but i want to know if an x-pipe will be useful on this kind of setup...since i am keeping the stock cat it will not be true duals
 
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Old Dec 7, 2008 | 12:27 AM
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the x-pipe will give you equal backpressure and the same tone out of each pipe. i had a truck with true duals, and one pipe was real deep and the other was a little higher pitched......sounded real funny....put on an x-pipe and that quit, better performance too.
 
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Old Dec 7, 2008 | 12:29 AM
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No, an x-pipe will not do anything on your application. X-pipes are used to equalize the exhaust somewhat and increase scavenging on true duals. If you don't have true duals, you don't need them, since a single exhaust equalizes the exhaust anyway.
 
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Old Dec 7, 2008 | 01:59 PM
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doenst the I-6 only have one exhaust manifold or header?
 
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Old Dec 7, 2008 | 09:28 PM
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From: raymond alberta
Originally Posted by Truckin4life
doenst the I-6 only have one exhaust manifold or header?
you can get 6-1 headers or 6-2 headers the 6-1 is one header with one output the 6-2 is 2 seperate headers 3 tubes per header 2 outputs so you can run true dual

i got a brain flash today if i ran those headers i could grab a cat from a junkyard and run true duals then put the x-pipe on after the cats...i just want true duals just cause pretty much
 
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Old Dec 8, 2008 | 01:08 AM
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If you run true duals on an I-6 it will probably sound like total crap. Installing a used converter is illegal, and I doubt the junkyard will sell you one.

Just run a dual outlet muffler. it is so much cheaper and easier, and in my opinion, will give you better sound and performance.
 
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Old Dec 8, 2008 | 12:33 PM
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From: raymond alberta
it might be legal in canada everything is legal here...but the seems like too much work now that i think about it...but no muffler ill just get new headers keep the cat and do a y-pipe after the cat or something
 
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Old Dec 8, 2008 | 08:48 PM
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Yeah, that should sound pretty good. Truth is the I-6 is a difficult engine to do exhaust on because it just sounds funny with most setups. But you can add a muffler later if you need one.
 
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Old Dec 9, 2008 | 10:15 AM
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Ditch the stock cat it's a cork, aftermarket replacements flow much better and aren't very expensive.
 
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Old Dec 10, 2008 | 10:22 AM
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From: raymond alberta
Originally Posted by Bear River
Yeah, that should sound pretty good. Truth is the I-6 is a difficult engine to do exhaust on because it just sounds funny with most setups. But you can add a muffler later if you need one.
yeah but if you play around with it enough ive heard some pretty nice soundin I6s the muffler dont make much of a sound difference on these engines so if it does sound different it wont be by much and it will only be slightly louder

i thought the muffler was worse in these things .. i might put a ne cat in sometime but for now im gonna redneck it to try n pickup a few extra mpgs pretty much
 
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Old Dec 15, 2008 | 01:32 PM
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leave the cat on screw the header and run 3" from cat all the way back into a 3" flomaster with a 4" tip. Otherwise you will burn the valves out faster than you think plus if you run no cat and free flow duals your truck wont have low end or mid range so cancel out pulling even a lawnmower
 
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