Thread: headers design
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Old 09-04-2010, 11:17 AM   #6
subbie03
Scooby Newbie
 
Member#: 161516
Join Date: Oct 2007
Location: turboSpool.com
Vehicle:
2007 STI
Blue-TurboSpool.com

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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.
12. Weight: 16 lbs.
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Last edited by subbie03; 09-04-2010 at 03:07 PM.
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