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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
13 F150


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)

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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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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