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Old 10-11-2012, 07:46 PM   #189
Full-Race Geoff
Scooby Specialist
 
Member#: 133386
Join Date: Nov 2006
Chapter/Region: Tri-State
Location: AZ/NJ
Vehicle:
13 F150
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here is a dynochart a customer sent in of this kit with EFR6758 on a stock 2004 2.5L:



(ignore the dip, the dyno's rpm pickup was being intermittent)

Quote:
Originally Posted by NA STI View Post
These need small vband exhaust housings bad (for ewg), just like the tial vband housings for garrett turbos. I would buy a 7163 for sure if something like that is released to go on my rotated vband kit...
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Quote:
Originally Posted by NA STI View Post
it looks like theres no need for a twinscroll setup with these smaller framed EFRs, our pre-turbo exhaust volume is already high enough with the extra long piping we already have...
the small frame EFR spool SO fast, i agree twinscroll is not nearly as big of a difference. The larger frame EFR's work great as singlescrolls with a T3 housing... But in twinscroll config their spoolup and response is the best ive experienced from any turbo mfg
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Last edited by Full-Race Geoff; 10-11-2012 at 07:51 PM.
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