exhaust question
Thread Starter
Intermediate
Joined: Apr 2005
Posts: 25
Likes: 0
From: Philadelphia PA
exhaust question
If I run Hooker 2149 headers straight pipes back to a set of mufflers will I loose anything on the low end due to back pressure, or is a set of mufflers enough to provide antiquate back pressure. Trying to avoid $300 worth of high flow cats.
Team Owner
Joined: Sep 2003
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From: Freedom is never more than one generation away from extinction.
St. Jude '03 thru '24
Assuming the mufflers you refer to are stock, they will be somewhat restrictive. Go ahead and try it. Let us know how it sounds and runs.
Race Director
Joined: Sep 2000
Posts: 17,298
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From: The Top of Utah
You probably won't lose any low end compared to stock, but you will lose low end compared to what you could get if you used headers with 1 5/8" primaries, rather than the 1 3/4" Hookers. In this case it isn't about back pressure. It's about velocity. The faster moving (through smaller tubes) gases have more energy to help scavenge the exhaust gases that follow.
RACE ON!!!
RACE ON!!!
Last edited by CFI-EFI; Aug 2, 2005 at 07:33 PM. Reason: Typos
