tokumo

I dirve a regular 06 Acura TL.
Stock tires are 235/45 17" with recomended front 33 PSI and back 32 PSI.

I just bought 4 new Kumho Ecsta SPT tires from the discount tire store.
And I got the Kumho Ecsta SPT 225/45 17" tires. I know they're narrower than the stock tires, does it matter a lot?

What would be a good PSI for these tires. shoud I keep them at 33 front and 32 back just like the recomended for stock tires?

Description says these are ultra high performance summer tires, but I never change tires with season, will these tires work for me all year round in San Francisco east bay area?

I wanted to get all season tires, but the guy at discount tires didn't really explain very well and I found out when I got back home that these are summer tires.

Thanks in advance.