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NITTO Extreme Performance NT555 Tire - 275/40-17 (99-04 All)

AmericanMuscle no longer carries the NITTO Extreme Performance NT555 Tire - 275/40-17 (99-04 All). Please check out 275/40-17 Mustang Tires for an updated selection.
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AmericanMuscle no longer carries the NITTO Extreme Performance NT555 Tire - 275/40-17 (99-04 All). Please check out 275/40-17 Mustang Tires for an updated selection.

Features & Details

  • Superior Traction and Reliable Handling
  • Excellent Anti-Hydroplaning Characteristics
  • Directional Tread Design
NT555. The Nitto NT555 275/40-17 is a summer-oriented, ultra high-performance street tire that was designed with the performance driver in mind. With one of the largest contact patches available, the NT555 provides superior traction and reliable handling - without sacrificing tread life. Both the tread pattern and the compound were optimized for dry performance. The highly rigid tread blocks provide stability while prolonging tire life. The NT555 will get you off the line quicker in the straights and provide confidence in the corners.

Superior traction and reliable handling. By utilizing a racing concept design, Nitto Tire's engineers developed the NT555 "Extreme ZR". With a specially formulated compound and one of the biggest contact patches available, the NT555 provides superior traction and reliable handling.

Excellent anti-hydroplaning characteristics. The three-circumferential grooves channel water efficiently, while the lateral grooves break up the water wedge. This combination of grooves and channels reduces the chance of hydroplaning. Combined with an increase in tread block rigidity, a high modulus carcass, and hard bead filler, the NT555 delivers total vehicle control under all driving conditions.

Directional tread design. The tread pattern on the Nitto NT555 is designed for high-speed stability and superb cornering performance. High tread block rigidity secures stable contact with the road under all driving conditions.

5 Year Warranty. This Nitto Tire comes with a 5-year warranty from the date of purchase. Some limitations do apply. Please see the Full Nitto Warranty disclosure for details.

Best Fit: 17 x 9 Inch 1999 to 2004 Wheels

  • High-grip compound delivers superior mobility on both wet and dry surfaces, while ensuring a high level of anti-wear performance
  • W Performance Rated, Treadwear 300, Traction and Temperature A

NOTE: These are extreme ultra high performance summer specific compound and tread tires. Use during the summer and warm temperature months will result in far superior traction over “all season” tires. Use during the winter months/cold temperatures drastically reduces traction and exponentially increases stopping distance as the compound becomes less sticky.

Mounting & Balancing: AmericanMuscle offers professional mounting and balancing on all wheels and tires when purchased together on the same order for an additional fee. This will allow you to swap out your old wheels for your new set when they arrive. We even offer Free Nitrogen tire fill.

  • State of the Art On-Site Tire Facility
  • Scratch-Free Mounting Process
  • Environmentally Friendly, Lead Free Wheel Weights
  • Free Optional Nitrogen Tire Fill
  • 1 to 2 Business Day Turn Around Time on Most Orders

Free Nitrogen Fill! AmericanMuscle is pleased to offer FREE optional nitrogen fill on wheels and tires that are purchased together on the same order. Filling your high performance tires with nitrogen has many benefits including:

  • Improves Fuel Economy
  • Reduced Weight
  • Maintaining Constant Tire Pressure throughout the Year
  • Prevents Corrosion to Preserve Wheel and Tire Life
What's in the Box
  • (1) Tire
Tech Specs
  • Hydroplaning Resistance: 8.8
  • Wet Traction: 8.7
  • Dry Traction: 9.4
  • Snow Traction: N/A
  • Ice Traction: N/A
  • Steering Response: 8.9
  • Cornering Stability: 9.0
  • Ride: 8.7
  • Noise: 8.4
  • Tread Wear: 8.3

KEY: 10-8.6 Oh Yeah!, 8.5-6.6 Above Average, 6.5-4.6 Average, 4.5-2.6 Acceptable, 2.5-0 Unacceptable

Most Helpful Reviews

Nitto Tires

These 275/40/17 tires turned my 99 mustang into one awesome looking road beast. I put them on new 03 Cobra 17 x 10.5 wheels and they fit under the car perfect!! It looks really mean from the back now! ...

Read More
Helpful (12)

Nice Tire

These tires really look nice. I give the stickyness rating an 8.5/10. They were at my door 34 hours after I placed my order which was awesome. Thanks AM

Helpful (8)

Overall Rating 4.9 out of 5 stars
Read All 26 Reviews

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3 Questions / 3 Answers

Ask a Question

Will these tires fit on the front end of my 2004 mach1 on a 17x9 rim ?


  • Absolutely! This is the recommended tire size for a 17x9 wheel on the 1999-2004 Mustangs for both front and rear!


Helpful (2)

so these wont fit on my 95 cobra rims 17*9?


  • If you wanted to use these on your 1995, they would fit the 17x9 wheel on the REAR only. Rubbing could be an issue if you used these as front tires. If you wanted to stagger tires on your 17x9 wheels, you could also use a 245/45-17 in the front with these in the rear. They would both have the same sidewall height and it would ultimately give you better handling and traction! If you have any other questions, don't hesitate to give us a call!


Helpful (0)

Height What is the height and revs per mile of this tire? NITTO Extreme Performance NT555 Tire - 275/40-17


  • The overall diameter of these Nitto NT555 275/40-17 is 25.66 inches and the revs per mile are 810.4832.


Helpful (0)

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Customer Reviews (26) Write a Review

Overall Rating 4.9

out of 5 stars

  • Dry Traction 4.941176 4.9
  • Wet Traction 4.375 4.4
  • Ride Quality 4.764706 4.8

  • 5/5

    December 19, 2009

    Nitto Tires

    These 275/40/17 tires turned my 99 mustang into one awesome looking road beast. I put them on new 03 Cobra 17 x 10.5 wheels and they fit under the car perfect!! It looks really mean from the back now!!

    Ralph Henry

    Year: 1999

    Helpful (12)

  • 5/5

    May 13, 2009

    Nice Tire

    These tires really look nice. I give the stickyness rating an 8.5/10. They were at my door 34 hours after I placed my order which was awesome. Thanks AM


    Helpful (8)

  • 5/5

    August 23, 2008


    NITTO Extreme Performance Tires handle the road like no other! They stick to the road like glue and even make the ride very comfortable at normal speed. Very good buy at a great, great price.


    Helpful (8)

  • 5/5

    October 01, 2011

    One of the best tire in the market

    After i installed these 275/40/17 on my car, it was like a dream come true. Better traction, handling and great ride quality...would recommend to anyone.... invest in these babies they are worth it.


    Year: 1999 Submodel: GT Laredo, Tx

    Helpful (6)

  • 5/5

    June 06, 2011

    NITTO Extreme Performance NT555 Tire - 275/40-17 (99-04 All)

    Installation was very straightforward, my tire guys didn't have any problems mounting them to my 17x9s. They have HUGE gripping power, I have lots more power off the line. Traction is amazing- you'll find yourself trying to pull some pretty sick turns. I'm buying these again when I wear my current set out.


    Year: 2002 Submodel: GT

    Helpful (5)

  • 5/5

    January 28, 2012

    Great tire for the price

    Just replaced my stock BF Goodrich tires on my 01 cobra with these. I can now stand on the throttle in 1st gear..not even a squeak. These tires have great traction except for in the rain they slip a little more than my stock BF Goodriches. Also they are extremely quiet. Overall they are a great product i recommend them to any fellow mustang driver.


    Year: 2001 Submodel: Cobra TX

    Helpful (4)

  • 5/5

    June 09, 2011

    Great Traction

    I purchased these along with the 17 x 10.5 Cobra replica wheel. I put them on and went for a spin. WOW. Talk about hooking up. You can really feel the difference compared to the factory tire. I highly recommend.


    Year: 2004 Submodel: Cobra

    Helpful (4)

  • 5/5

    August 31, 2012

    NITTO Extreme Performance NT555 Tire -275/40-17

    Went to car shows with the new wheels and tires we got from you and they got great reviews and alot of comments on how great they looked on the car. The tires grip great around the corners. I would highly recommend American Muscle for any car parts they deliver on time and are good to there work!! Thank you for making our experience with your company a great one!! We will and have already ordered from you again!


    Year: 2004 Submodel: Mach 1 Oregon, USA

    Helpful (3)

  • 5/5

    August 17, 2012

    The Tires I Needed

    Had a set of nitto 245's all the way around on my 04 GT which are very nice tires. Was looking for something a bit wider on in the back after I installed my supercharger and didn't want to go with 315's as they seemed like over kill. In my opinion the 275's were the "sweet spot". Noticably more traction without the extra meat to turn. Still have the 245's in the front which gives my car a subtle staggered look. Took advantage of a $20 off coupon from American Muscle and got the set for under $300. $100 cheaper than any of the local tire shops. You simply can't go wrong with Nitto's so assess which size you need for your set-up and buy with confidence.


    Year: 2004 Submodel: GT Saginaw, MI, USA

    Helpful (3)

  • 5/5

    January 20, 2012

    Great tire for the money

    At the track when you warm these babies up they hook pretty well. On the Street they are great, But DO NOT USE IN SNOW.


    Year: 2001 Submodel: GT Chicago, IL

    Helpful (3)

  • 5/5

    May 06, 2016

    Great tires

    So happy I went with the nittos they hook up great they look great all-around best tires on the website thanks again to American Muscle for excellent customer service fast shipping and a great product


    Year: 2002 Submodel: GT

    Helpful (2)

  • 5/5

    November 27, 2015

    Nitto 555

    I installed these tires on my 04 cobra and i love them! I can take cornners a lot better and they have good grip. These tires also give my Mustang a nice stance.


    Year: 2004 Submodel: Cobra Mt.Airy, MD

    Helpful (2)

  • 5/5

    November 26, 2015

    Incredibly Grippy Versatile Tire Choice

    I've used NT555 tires as my go-to tire for street driving my GT Mustangs I've owned in the past and present. I matched these with the front wheels. No rubbing or issues of any kind. Dry and wet traction are great. The front end grips and turns in very well and I haven't experienced any understeer/loss of grip, rain or shine. Plus, they still have plenty of tread life left on them. I've also used these tires during the winter time (NJ winter) and I haven't had any issues either. I recommend this tire to any Mustang owner out there that street/daily drives their car!


    Year: 2003 Submodel: GT Glendora, NJ

    Helpful (2)

  • 5/5

    August 09, 2013

    Nice Tire

    This tire is used on the front of my car and hooks up great. No complaints! They have about 6k on them now and are wearing great.


    Year: 2011 Submodel: GT Springfield , pA

    Helpful (2)

  • 5/5

    April 06, 2016

    Worth the money!

    These tires are great. I run them on the front of my 02. They last a long time and have great grip. Arrived in 4 days, and had my local discount tire install them for $20 a tire.


    Year: 2002 Submodel: GT

    Helpful (1)

  • 5/5

    November 08, 2013

    great performing tires

    ive had these tires on multiple cars. and ive always had good luck with them in the rain and when its dry. i highly recommend them


    Year: 2011 Submodel: GT pa

    Helpful (1)

  • 5/5

    September 08, 2013

    Great Tries

    Bought the rear set at stock diameter but a 315mm width. WOW! They look amazing, soo I purchased the front set at the width of 275mm... WOW! Once more I was amazed. The profile on the tire is soo meaty and looks great, not to mention the aggressive tread pattern. Overall an excellent purchase and well worth the extra mopney over the sumitomo. Thanks AM.


    Year: 2002 Submodel: GT

    Helpful (1)

  • 4/5

    August 14, 2013

    nitto nt555 performance tires!

    They look amazing pretty good traction and performance as well definitely better than the tires I had before! Thanks American Muscle for always having awesome products!


    Year: 2000 Submodel: GT Salinas, CA, USA

    Helpful (1)

  • 4/5

    July 30, 2013

    400+ hp

    Overall these tires are pretty good though I do still break the tires loose with easy in first


    Year: 2003 Submodel: Cobra

    Helpful (1)

  • 5/5

    March 11, 2012

    tires were only good part of my 5-lug conversion

    everything but these tires needed modification to fit. sticky and look great


    Year: 1990 Submodel: GT long beach ca

    Helpful (1)

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