Thread: headers design
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Old 09-03-2010, 03:14 PM   #1
Scooby Specialist
Member#: 163108
Join Date: Oct 2007
Chapter/Region: International
Location: Philippines
07 EuroDM STi 2.5L

Question headers design

I'm doing a poll about headers design, I like to have a list of different headers design and hopefully discuss the advantages and disadvantages of each designs

headers configuration

1. brand
2. model
3. flange or v-band design connecting to up pipe, if flanged how many bolts
4. type of gasket of flanged
5. inner diameter of primaries
6. inner diameter going to the up pipe
7. equal/unequal lenght or other configurations.
8. pics of the said headers
9. clearance with aftermarket oil pan if info is available
10. tube material and thickness if available
11. short review about installation, performance and durability if available
12. design flaw/weakness in your opinion

thanks guys
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