Differences between long and short headers?? - Mustang Evolution

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Old 12-18-2014, 01:37 AM   #1
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Differences between long and short headers??

What exactly are the differences and which will give me better performance gains, sound, etc.
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Old 12-18-2014, 06:28 AM   #2
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Literally just went through a highly detailed and thorough explanation of this on a recent thread. Not to be rude, but please search. There are 20 different header threads right now all repeating the same thing.

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Old 12-18-2014, 06:40 AM   #3
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Just got done doing a lot of research on this and ended up going with LTs. The thing that you will hear over and over again is that shorties will provide more low end torque and LTs will provide more power in the higher RPMs. What helped most in my decision were the dyno results. Below are youtube links for bbk shorties and bbk LTs. Wait for the dyno charts and compare.

Longtubes:



Shorties:



Hope this helps anybody trying to decide between the 2 options.

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Old 12-18-2014, 11:11 AM   #4
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Make sure you do really good research on O2 sensors failing with long tubes while your at it. Only 1 brand of long tubes don't throw any codes.
Also make sure to check some other forums on comparison of LT vs. Shorties of actual people owning both, not just a manufacturer claim. LT's barely make more peak hp while shorties provide more torque down low. There are several people who have owned LT's and swapped out to shorties.
If you need further proof of how well shorties work, find the 3.7 drag list and see which headers most of the people are running. It might surprise you.
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Old 12-18-2014, 05:39 PM   #5
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Long tubes are illegal except for Off Road vehicles and Shorties are not
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Old 12-18-2014, 11:28 PM   #6
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Quote:
Originally Posted by syndicate View Post
What exactly are the differences and which will give me better performance gains, sound, etc.
Your in California, Shorties are your only option because of the SMOG requirements their.
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Old 12-19-2014, 06:18 AM   #7
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Like southerncyclone said. The power difference isn't much. I had both on my 94 3.8 and I preferred shorties over the long tubes. Shorties are awesome for bolt on performance because they bolt right in unlike long tunes that require custom work. Most work with oem emission equipment. And usually cheaper. I'm not saying long tubes don't have their place but in comparison a WELL built/designed shorty will be a better choice.
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