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Old 02-24-2011, 02:41 PM   #136
Scooby Newbie
Member#: 166777
Join Date: Dec 2007
Chapter/Region: MAIC
Location: Virginia Beach
2011 WRX Wagon


^ I agree with all of this except the driveshaft point. If You were using an r160 with the right ratio (for instance, the 02-03 usdm r160 matches the 06-07 sti transmission) you would need the 4eat because the transmission is longer than the 5 speed, but if you are swapping both the transmission and the rear diff, you need the sti driveshaft, as the yolk on the r180 is different than the one used for the r160, which is on the 4eats and the 5speed driveshafts.
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