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Taller tires or wider tires? The ones you listed are taller but not wider. The larger the first number the wider, the larger the second number the taller.
Can't tell if you're serious and/or if there are typos...
Your stock tires are 25.7" & 26.7" tall F&R.
The tires you're proposing are 27.6" & 31.0".
That's a change of 1.9" & 4.3". Yeah, don't do that.
At most IMO only go up one size on the aspect ratio. For front that would mean 245/50/17, rear 275/45/18, making the front and rear about 1" taller.