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My Nitto NT555 tires are now 10 years old and need replacement for safety. I'm looking at the Nitto NT555 G2. I don't race or autocross, so any others I should consider? Sizes are 245/45 R 17" and 315/35 R 17" Jim
 

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Those are still one of the better choices out there IMO. I wouldn't hesitate to buy the newer updated version.
 

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Nitto NT555 G2

The G2's look more narrow than the original 555's. I'm running 255/40 R 17 on the fronts which are supposed to be wider and the width is pretty flush with the wheel lip as is.

Happy with the tires overall but the originals looked nicer IMHO.

These are my front G2's in 255/40 R 17.

 

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Just ordered the 555G2’s for my new build. Planning some autocross then I finally get it on the road. Look like really good tires for our cars.
 

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Have you considered the Michelin Pilot Sport? Probably the best street tire on the road for a car like this.
 

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I really like Goodyear GS-D3s especially in the rain. I tend to get wet. Ran 2 sets of these.

Agree w/ Bob, the Michelin Pilot Sport PS2s are excellent tires. I've run these cross country, in heavy rain and on the track. I will probably run these when I get back on the road, primarily due to rain and all-around performance.

Jim
 

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I have the Michelin PS2's on my car since 2014, and they are due for replacement. Have been great, and I have recommended them several times.

But the 245/45/17 has been discontinued. The alternative is a 255/40/17, which I will probably use. The 275/40/17 is still available, so no problem for the rear. (I have a mk1 without the 315 mod)

One of the problems with these tires, just to warn you, is the price. Michelin is very proud of them.
 

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I just got one delivered for body & paint that is wearing Mickey Thompson Street Comps in our common 245/45 and 315/35 sizes. Don't know how they perform but they are a nice looking tire with specs similar to the 555G2.

Jeff
 

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Another vote for the G2s

I had the old Nitto 555s and wasn't thrilled with them, especially in cooler temps. Switched to the Kuhmo ECSTAs, and they were stickier. Switched next to the new Nitto G2s, and I love them. Softer, yet more sure-footed ride. Can't wait to get them to Mid-Ohio.
 

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I have the MT Street Comps on the back. they are a little better than the old Sumis
 

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I just bought a new set of G2's last year, $588 from Discount Tire Direct. Scott
 

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I did the swap from 10 year old Sumi's to the G2's. I probably could have gone to an old plastic bag and would have had better traction than the old Sumi's, but I really like the G2's. They have better traction in all areas than the Sumi's ever did.

I looked around at all brands and found that some sizes were available for front but not rear, and visa versa. I believe it was just Mickey Thompson's and the Nitto's that were available in both the front and rear 17" sizes.
 

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Nitto G2 Front Tire Profile

Does anyone have a profile view of the Nitto G2 in 245/45 R17? I would like to see how they compare to the Nitto G2 255/40 R17 I posted in an earlier post.

The 245/45 R17 has the matching diameter to the 315/35 R17 but the width is narrower than the 255/40 R17.

Just curious how much of a difference it makes. Like I stated earlier, my 255/40 sidewall is pretty much flush with my rim lips.

 

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I had the same issue with 10 year old tires and I also do not autocross or race (yet). For the street, I find the G2 to be a great tire. I drive all year long and even in the cold or wet, they seem fine. What I find funny is how cheap they were. I paid more money for tires on my minivan than these.
 

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10Year Old Tires

Is it just me or is it odd that anyone would have 10 year old tires on a high performance car?

My understanding is that effective safe tire life is 6 years. Less if performance is important.

I’m always mindful of tire date codes. Just something to keep in mind.:surprise:
 

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Is it just me or is it odd that anyone would have 10 year old tires on a high performance car?

My understanding is that effective safe tire life is 6 years. Less if performance is important.

I’m always mindful of tire date codes. Just something to keep in mind.:surprise:
I think you have a point there. OTOH, our cars are most always garaged so deterioration caused by UV is not as much as a DD that sits outside all the time.
 

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Discussion Starter #19
I have 12,000 miles on the 10 year old Nittos, with little wear. Did lots of driving in the first few years, but less lately, due to some health and family issues. Maybe I'm ageing out along with the tires!
 

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I am a fan of NT05s. On these cars, stickier is better / safer. I do autocross though, so am always looking for grip. I get about 9 - 10K mikes with lots of street driving and 12+ autocross events each season.

If the 555s made it for 10 years, you won't wear out the grippier NT05s too soon.

Of course the 555s will be better in the wet.
 
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