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So I absolutely love my newly purchased 08 IS350 but can't stand the lack of side bolstering in the front seats. I feel like I can't really take advantage of the handling of the car without sliding around in the seat. I know the new f-sport has increased bolster size and I tried to find how much a set of front seats would cost from sewell but couldn't find them on their site. Has anyone found a way to increase their side bolstering on the stock seats or have any suggestions? Thanks.