Thread: headers design
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Old 09-04-2010, 12:10 PM   #7
berdugo
Scooby Specialist
 
Member#: 163108
Join Date: Oct 2007
Chapter/Region: International
Location: Philippines
Vehicle:
07 EuroDM STi 2.5L
Silver

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Quote:
Originally Posted by subbie03 View Post
1. Brand: Gruppe-S
2. Model Number: GRP-V2-MANIFOLD-EQUA
3. Flange: Two Bolt Flange
4. Gasket: None/installed with oem gaskets.
5. Primaries Inside Diameter: 38.05mm Outside Diameter: 42.99mm
6. Inside Diameter At Collector(Upipe Side): 47.19mm
7. Design Type: Equal Length Header
8. Picture: Below comparing to stock.
9. Mods Required: 2006-2007 WRX Require modification to the oil cooler
10. Thickness: Around 5.09mm -Note: Done subatracting I.D. from O.D.
11. Installation: Not complicated, but oxygen sensor removal tool helps.
12. Design Flaws: Depending on what you want, THE primaries may be too large, and the el header design changes exhaust tone.

wow the primaries are thick!

I wonder if it will fit moroso oil pan and Kaminari Race brace.

Having moroso oil pan and Kaminari Race brace limits my choices of headers. I wish Killerb made his oil pan way back March to April 2008 just before I bought moroso oil pan.
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