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Yes that is definitely the wrong size tire for that wheel.

205/45R17 = 24.2" total diameter
215/45R17 = 24.6" total diameter
225/45R17 = 24.9" total diameter (too large)
225/40R17 = 24.0" total diameter (too small)
235/40R17 = 24.4" total diameter, though I do not believe 235 width tires will fit this gen Focus.

You are currently running the smallest acceptable diameter for this car. (The smallest OE tire size is 195/60R15)

You would be better off with a 215/45R17 tire for those wheels. Stretching the 205 width tire on an 8" rim makes your fender gap appear more dramatic than it really is. You are also risking damage to your wheels if you were to hit a pothole or curb. Also, since you take your car to the drag strip, you want a wider contact patch and increased sidewall flex to achieve greater traction off the line.

As for your suspension, if it hasn't settled by now, it may be worth checking for installation issues.
If you have the FRPP suspension installed and your car is not sitting the same as mine:
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You may have a problem somewhere.
 
Here is the best picture I have of the way it sits. Just a touch nose high, sometimes is appears worse, but this is flat ground.

I don't believe my tires are too small. My cars stock tire size is 205/50R16 which is 24.1x8.1 and 205/45/17 is 24.3x8.1. It is actually bigger.

Let me know your thoughts, it is appreciated.
 

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That really does not look bad at all. Don't know if the video depicts it well, but it doesn't seem bad.

I did watch your Mustang 0-60 video and I would say that would have a hard time out running one of Foci. Do you feel like your Focus is faster?
 
Lower poly mount is really nothing to sweat about. I had full on racing mounts on my '07 Civic Si and THAT I will agree was really obnoxious for daily driving (pic below).
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That really does not look bad at all. Don't know if the video depicts it well, but it doesn't seem bad.

I did watch your Mustang 0-60 video and I would say that would have a hard time out running one of Foci. Do you feel like your Focus is faster?
The Focus feels quicker from a dig, but I attribute that to the 5 speed.
I don't have any videos from a roll, but the Mustang was definitely a faster car.
 
Here's the new to me manual 11' focus I bought last weekend.
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The only thing I've done so far is plasti-dip the chrome grill black, going to debadge the SE soon and tint and HIDs will be done hopefully this month. [driving]
 
It's been a while since I have been on the forum. Still get notifications on the picture thread and been lurking lately. Glad to see some new people and new things people have done to their rides. Nothing new from me besides went back to stock headlights. I upgraded to the SilverStar bulbs to get the same amount throw and brightness as the projectors. These actually provide more throw and brightness than the projectors did. Also upgraded the sidemmarker bulbs for brighter ones.
 
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