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S4 tires

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Old 07-08-2005, 06:15 PM
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Default S4 tires

Does anyone know if higher profile tires will fit on my 2004 S4 cabriolet? Stock tires are 40s on 18" wheels. I would like higher profile tires to improve the ride. Also, I am interested in tires with better tread life than stock and a more all season tread pattern.I could go with smaller wheels but am unsure if they would provide adequate clearance for the brakes. Any ideas?
Old 07-08-2005, 06:25 PM
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Default you do know a higher profile on your stock wheels will impare your acceleration...

if you are that concerned about the ride quality get a cheap set of 17s and go that route otherwise its kinda pointless.
Old 07-08-2005, 06:53 PM
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Default I went to Conti Extreme Contacts 245/40/18. Big improvement in

ride and tire wear and can run them in the winter. I live in the pothole belt. I was running my stock Contis @ 35 psi to get a more compliant ride. These new all season Contis are better in every way as compare to the stock Contis, which are probably only better on the track. I run the all seasons@ 40 psi and they still give me a MUCH better ride than the originals. Increase in size to 245s gives more rubber on the road as well! Pirelli P zero neros M+S is also a great all season tire. Perhaps even slightly better than the Conti Extreme Contacts. If you are looking for a better ride and longer tread life , this is the way to go. No need to downsize to a 17' wheel . Plus unless you are in an EXTREME snow belt area, you can probably run them all winter.Btw you can probably run 235s and still get all of the benefits I have mentioned.
Old 07-08-2005, 07:39 PM
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Default Re: S4 tires

you would do better going to 225/45/18 but your speedo would read about 1.5 MPH slow
Old 07-08-2005, 11:56 PM
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now we are talkin! wider is better!
Old 07-09-2005, 09:34 AM
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Default Actually, by going to a larger diameter tire, it will help corect the speedometer error built into

this car. It reads lower than actual. Larger diameter tire brings it closer to actual speed.
Old 07-10-2005, 07:40 AM
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Default If you want a taller sidewall, move to a 17" wheel, or... (read on)

Do you actually drive on the snow/ice? (wondering if that's the reason to switch to all season)

If you want a quiet, comfortable ride, you could probably get by with putting <a href="http://www.edgeracing.com/tire/684/">Falken ST115s</a> on your 18" wheels. They have a softer sidewall which results in a more comfortable ride at the same 235/40/18 size. They also have a high treadwear rating for a summer tire.

FYI the "stock" tire size for 17" wheels for your car is 235/45/17.
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