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Old 03-21-2017, 01:51 PM   #1
Scooby Newbie
Member#: 80799
Join Date: Feb 2005
Chapter/Region: Tri-State
Location: Phoenixville, PA
17 WRX

Question 17 WRX Premium Wheel Offset Question

Over the winter I took off the summer tires that came with my WRX Premium and put on a set of Blizzaks. I want to take the summer tires and put them on a set of aftermarket rims. However, in looking at Tire Rack, I see that if I spec out the Premium trim wheel size (18" 8.5" 55m offset), there are about nine wheels available, all OZ, and at least $400 a wheel. I'm hoping to not have to spend that much on a set of wheels. If I go down to a 45mm offset it widens the pool of available wheels significantly, but what I want to be sure of is that it's not going to adversely affect the car, or cause issues down the road (pun intended). Also, what will the OEM tire look like on that offset?

Thanks all,
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Old 03-21-2017, 02:07 PM   #2
Scooby Specialist
Member#: 132859
Join Date: Nov 2006
Chapter/Region: TXIC
Location: Dallas Texas
2015 WRX


You need to check out the wheel/tire section on this forum. Also, it does not sound like you really understand how all the pieces of wheels/tires (wheel size, offset, tire size) work together. Changing offset will make 0 impact on how the tire fits the wheel, BUT it will change where the wheel sits in relation to the suspension/fender. Changing wheel width will impact how the tire fits the wheel, as well the increase or decreased width will effect where the wheel sits in relation to suspension/fender and may need to be accommodated by offset.


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