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Old 02-20-2009, 09:10 AM   #7
Scooby Specialist
Member Sales Rating: (23)
Member#: 41656
Join Date: Aug 2003
Chapter/Region: TXIC
Location: Spring, TX
2002 WRX Wagon


Yes, unless you swap your center differential to a 1:1. The stock differential is 1.1:1 which is why the front ring and pinion is 3.9 while the rear is 3.54. You would also need to modify your driveshaft as the flange is bigger on the R180.
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