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Old 02-25-2001, 07:34 PM   #1
Dynamic Uno
Member#: 1
Join Date: Jun 1999
Chapter/Region: BAIC
Location: Alameda, CA
2011 Impreza WRX STi

Post Some interesting facts about weight reduction

I happen to get my hands on an old WRX turbo header and uppipe. So, I slapped them on the scale and WHOOPA! I got 45lbs for both. Then, I tool my CUSCO tubular equal length exhaust manifold/uppipe combo and CHACHING! I got 25lbs. Now, the US WRX GDA comes with a cat in the uppipe so I wouldn't be surprised if the US WRX header/uppipe combo weights 50lbs. So, save your $ for the headers, people. Not only they will give you great power gains, it will also cut down 20-25lbs of nose weght.

In the next installment, I will be talking about stock WRX downpipe/catback weight vs. BOZZ Speed titanuim downpipe/catback.
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Old 02-25-2001, 07:50 PM   #2
Scooby Specialist
Member#: 1305
Join Date: Apr 2000
Chapter/Region: AKIC
2000 Impreza


The titanium downpipe/exhaust will be the way to go. Massive weight reduction as well as better heat dissipation.

[This message has been edited by Eby (edited February 25, 2001).]
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Old 02-25-2001, 09:31 PM   #3
Scooby Specialist
Member#: 3339
Join Date: Dec 2000
Location: Mission Viejo,CA,U.S.A
2002 Impreza WRX
Blaze Yellow


That will be lots of cash for titanium parts like that.
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Old 02-25-2001, 09:34 PM   #4
Steve Theodore
Scooby Newbie
Member#: 3737
Join Date: Jan 2001
Chapter/Region: NWIC
Location: North Bend, WA, USA
2007 WRX STi
Crystal Gray Metallic


I'm hoping it will be possible to get the WRX sedan (5 speed) below the 3000 pound mark without too much modding!

Sounds like the turbo header/exhaust system might be able to reach that goal alone with the appropriate replacement parts.

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Old 02-25-2001, 10:28 PM   #5
Scooby Specialist
Member#: 477
Join Date: Oct 1999
Location: Vancouver
GC4 -> GGA -> GM6
Yeah, that's about right.


How much $ per lb. of weight reduction?

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Old 02-25-2001, 10:33 PM   #6
Dynamic Uno
Member#: 1
Join Date: Jun 1999
Chapter/Region: BAIC
Location: Alameda, CA
2011 Impreza WRX STi


Oh yeah, I also found a place in US that will make me a lightened and ballanced billet driveshaft for $400.
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