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The Exhaust Guide
Find out the do’s and don’ts for you next exhaust.
Topics Include:
• Configurations
• Mufflers
• Cats and Catless
• Tips and Exits
• Pip material and Bends
• Recommended Items for Purchase
Read full discussion for further information
Find out the do’s and don’ts for you next exhaust.
Topics Include:
• Configurations
• Mufflers
• Cats and Catless
• Tips and Exits
• Pip material and Bends
• Recommended Items for Purchase
Read full discussion for further information
THE Exhaust Guide
#31
#35
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#36
I'm not 100% on this one. I know that H pipes lower the torque curve on symmetrical systems, but I'm sure it does the same for our unsymmetrical system as well. In theory, gases will take the path of least resistance. Gases are going to flow through an H crossover easier than the merging concept of the X pipe. I don't see how the length of the left and right bank changes this theory. The least path of resistance is still the same.
Last edited by avfrog; 09-17-2010 at 08:37 PM.
#37
I'm not 100% on this one. I know that H pipes lower the torque curve on symmetrical systems, but I'm sure it does the same for our unsymmetrical system as well. In theory, gases will take the path of least resistance. Gases are going to flow through an H crossover easier than the merging concept of the X pipe. I don't see how the length of the left and right bank changes this theory. The least path of resistance is still the same.
#40
you will be hard pressed to see any gains from any type of crossover. cross overs give the exhaust a different tone. Its about preference. If you have heard a vehicle with true duals with out a cross over (especially straight pipes) you will hear a pop pop pop sound from individual firing banks. With a cross over you get a more even sound coming from the exhaust. Also a SISO will out perform a SIDO every day of the week. The Y where the exhaust splits is a restriction and hinders the flow of the exhaust
#41
you will be hard pressed to see any gains from any type of crossover. cross overs give the exhaust a different tone. Its about preference. If you have heard a vehicle with true duals with out a cross over (especially straight pipes) you will hear a pop pop pop sound from individual firing banks. With a cross over you get a more even sound coming from the exhaust. Also a SISO will out perform a SIDO every day of the week. The Y where the exhaust splits is a restriction and hinders the flow of the exhaust
#42
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#43
Right bank. - Before the split, there's another slight diameter reduction/ slight bend.
#44
So I have a question....On my 07 XLT with the 5.4 I have a magnaflow dumped after the muffler. I was originally wanting a quite tone not to crazy loud but after having the muffler on for a few months and doing many other mods to the truck (mostly appearance) I think I want something with some kind of aggressive sound. After reading the other post I will more than likely get some hi-flows. The sound of just the magnaflow is pretty quite by itself. If I had the exhaust dumped after the axle or even a foot or 2 after the muffler would that help with getting a better sound ecspecially after adding some hi-flows?
#45