Does pipe diamater matter??
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Joined: Apr 2004
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From: Mississippi
Does pipe diamater matter??
I have a 5.4L 03 F150. I just had a dynomax super turbo SI/DO installed. The guy used 2" pipes out the rear. He said that this would give more torque over the 2.5" pipes. Is this right or should I have 2.5" pipes installed.
Also do I need and type of X pipe?
Thanks
Also do I need and type of X pipe?
Thanks
Elder User
Joined: Jul 2004
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From: Fredericton NB, Canada
He was talking about the better backpressure the 2" would give versus the 2.5". Contrary to popular belief, some backpressure is good. Im guessing that your engine is stock, so large diameter pipes arent needed. The question is what is the diameter the pipe in front of the muffler. Im betting that its about 2.5" which is fine. The pipes exiting from the muffler doesnt have any real bearing on performance.
-Matt
-Matt
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From: suthern elinoees
Originally Posted by MatthewC
He was talking about the better backpressure the 2" would give versus the 2.5". Contrary to popular belief, some backpressure is good.
Backpressure is a restriction and that is what you are trying to eliminate when you put on a free flowing exhaust system. Stuff a potato into your exhaust tip and see how well it runs. Now, with that said, 2'' pipe sounds too small. I'm not that familiar with the Mod motors but 2 1/4'' would probably do well.
check out this thread-
https://www.ford-trucks.com/forums/s...essure+falcon+
Last edited by NascarNut; Sep 23, 2004 at 09:46 AM.
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From: suthern elinoees
Originally Posted by MidTn
I have a 5.4L 03 F150. I just had a dynomax super turbo SI/DO installed. The guy used 2" pipes out the rear. He said that this would give more torque over the 2.5" pipes. Is this right or should I have 2.5" pipes installed.
Also do I need and type of X pipe?
Thanks
Thanks
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