HP Numbers for new exaust
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HP Numbers for new exaust
Help me if you can. I am trying to find actual numbers for gain in HP from a aftermarket muffler such as the Flowmaster (Probably the 70 for low sound) every thing else stock (V10 E350) Some say I will loose low end torque, some say it will flow better... etc. but I can find no numbers, even on the Flowmaster site. I like the low rumble, but sound is secondary to me.
Forgive me if I have missed a post, just can't think of anything else to search for.
Thanks!
Forgive me if I have missed a post, just can't think of anything else to search for.
Thanks!
Junior User
Joined: Apr 2005
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Originally Posted by rwetter
Help me if you can. I am trying to find actual numbers for gain in HP from a aftermarket muffler such as the Flowmaster (Probably the 70 for low sound) every thing else stock (V10 E350) Some say I will loose low end torque, some say it will flow better... etc. but I can find no numbers, even on the Flowmaster site. I like the low rumble, but sound is secondary to me.
Forgive me if I have missed a post, just can't think of anything else to search for.
Thanks!
Forgive me if I have missed a post, just can't think of anything else to search for.
Thanks!
As far as low-end loss of power and such, unless you go with a 5 inch, no cat, no muffler straight pipe or open headers, you will not lose any on the low-end.
Last edited by 2TALL; Feb 13, 2006 at 07:23 PM.
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Joined: Jun 2002
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From: Rio Rancho USA
Originally Posted by rwetter
Thanks!
Is there some form of a tutorial on exaust stuff. Such as the reasons for low end torque loss, backpressure issues, scavenger effect, etc. One can never learn too much!
Is there some form of a tutorial on exaust stuff. Such as the reasons for low end torque loss, backpressure issues, scavenger effect, etc. One can never learn too much!
A lot of low end torque loss is in the mind. A bigger better flowing exhaust will sometimes free up so much mid range torque that low end "seems" worse.
Look through the exhaust forums, There have been several duscussions that have a lot of information in them. A simple search on google or yahoo for backpressure vs velocity can give lots of info too. There is a lot of BS to filter through though. Backpressure is bad. High velocity is good.
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