Kumho Ecsta XS (KU36)

4.3

Price Range:  USD $106.99 to $449.99

Summer

Passenger Cars /Summer/Maximum Performance

Does This Tire Fit?

Designed for SCCA racing that demands high Uniform Tire Quality Grades, this incredible tire delivers unrivaled dry grip with split-second steering response, and its unique footprint is designed to deliver consistent handling performance at high G-forces.

  • Low void asymmetric tread pattern with circumferential grooving for high cornering grip.
  • Ultra fine carbon black compounding for maximum traction.
  • Ultra wide tread contact with highly rounded shoulders for optimized footprint shape during high lateral loads.
  • Developed for quick autocross warm-up while maintaining race track durability.
  • With a Y speed rating, the tire delivers an optimum run temperature of 205 degrees Fahrenheit.

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Overall 

4.3

Kumho Ecsta XS (KU36)
Rate Now
Dry
(4.7)
Wet
(3.8)
Snow
(1.2)
Handling
(4.6)
Comfort
(3.8)
Noise
(3.6)
Treadwear
(3.4)
Overall:
4.4
Dry
5.0
Wet
4.0
Snow
1.0
Handling
5.0
Comfort
2.0
Noise
2.0
Treadwear
4.0

I purchased these tires for my 2014 autocross and track days. I mounted them on some 17" lightweight racing rims used only for my racing events and couldn't be happier. I have a 98 Impreza wagon with the stock 2.2l, setup for autocross/street using Tein SS coilovers @ 5k, and Whiteline 22mm sway bars. They have amazing grip and I took overall 2nd place (by less than 0.1s) @ my 1st autocross event of the season which was drizzly/raining. The car was so planted & put in such good times, nobody could believe my car wasn't turbocharged. These tires have lasted a 300 mile road trip, the entire 2014 season of autocrossing with two drivers, and a track day. I am extremely pleased with them overall. I estimate they are good for at least another half a season. I have no idea if this is relevant, but after all my autocrossing with these tires, I now have a rear wheel bearing going out. I can only assume that the grip from these tires exacerbated wear and tear on my aging wheel bearings on my Subaru with 118k miles. Not sure if that's a compliment to the tires or not. On another note, these tires are all but unbearable for street use, but that's not why I bought them... I'm torn between sticking with this tire, or possibly trying something new when it's time to replace these tires next year.

Size: 225/45R17

Vehicle: 1998 Subaru Impreza 4 Dr Wagon L with 1609 KM of Tire Wear

Anonymous made this review on 11/24/2014 and is a Extreme (Racetrack style racing)

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The Kumho Ecsta XS (KU36) is unavailable for purchase or is currently out of stock.