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Old 11-02-2011, 03:31 AM   #1
Scooby Newbie
Member#: 295611
Join Date: Sep 2011
Default is it possible? STI DCCD in WRX

Ok, before you tear me apart Im not a gear head I just love soobies so I have NO idea what Im talking about. BUT. I was just curious to know if it is possible to take the DCCD from a 09 sti and put it into a 09 wrx??
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Old 11-02-2011, 03:42 AM   #2
Scooby Guru
Member#: 118113
Join Date: Jun 2006
Chapter/Region: VIC
98' Stagea 260RS
Autech Ver.


you'd have to replace the 09 WRX 5-speed tranny with an 09 STI 6-speed tranny.

The DCCD diff wont fit in a 5speed case. there were some older (1995?) 5speeds with dccd but im not sure if those parts would fit either.

if you really want dccd you're looking at a 6-speed tranny swap which isn't exactly cheap. you'll also need an aftermarket dccd controller unless you want to shell out big bucks for someone to splice the factory DCCD system into your factory wiring harness.

basically, if you just want the novelty of turning a knob and messing around with DCCD its not really worth it. ballpark for a STI tranny swap would be 4000-5000
Loomin is offline   Reply With Quote
Old 11-10-2011, 08:08 PM   #3
Scooby Specialist
Member#: 1654
Join Date: Jun 2000
Chapter/Region: NWIC
Location: Seattle, WA, USA
1998 GC8 Unicorn
MV Agusta Brutale S


the 6-speed swap is worth it for a whole host of reasons other than DCCD. Plantronics makes an aftermarket controller and it has worked reliably for me now since '05. Wish I knew more about it to tell you.
Keshav is offline   Reply With Quote
Old 12-09-2011, 08:45 AM   #4
Scooby Newbie
Member#: 73414
Join Date: Oct 2004
Location: SoFLA

If doing the 6SPD swap, do you need to put a dccd in?
SpeedlabWRX is offline   Reply With Quote
Old 12-12-2011, 03:07 PM   #5
Scooby Newbie
Member#: 302943
Join Date: Dec 2011

No I have a 02 wrx with a 6speed swap and no dccd
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Old 12-13-2011, 09:51 PM   #6
Former Vendor
Member#: 227549
Join Date: Oct 2009
Location: Guelph, Ontario

I guess you like having no awd then? Lol.

No controller means you have basically an open center diff.
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Old 12-13-2011, 11:44 PM   #7
Scooby Specialist
Member#: 127745
Join Date: Oct 2006
Chapter/Region: NWIC
Location: Humboldt County
06 WRX 30r 6 speed
99L EJ255 6 Speed


Agreed. I have 2 Subies with 6 speeds, and they are entirely different cars with diff controllers. After the 6 speed swap but before the controller? Eh, I basically had to shift more often.

A friend recently put in his diff controller. He was of the same opinion prior to installing it. Now that he can actually mash the gas in a corner and not have to counter steer he is hooked
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Old 12-14-2011, 07:44 AM   #8
Former Vendor
Member#: 227549
Join Date: Oct 2009
Location: Guelph, Ontario

I get a bit of that in my inbox as well..."so I swapped a 6mt into my car tell me why I need a controller, it feels fine now".

Then afterwards..."thanks for giving me my awd back, the car is 10x more fun now"...

People just don't realize until they have driven in a car with an active center diff.
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Old 12-14-2011, 05:53 PM   #9
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Join Date: Mar 2003
Chapter/Region: MAIC
Location: 3MI Racing LLC
96 bastard child
search FIRST, then PM!!!


^^^to add, a DCCD diff without a controller is an open diff.
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