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Buy 3 Select Tires, Get the 4th Free Instantly
Buy 3 Tires, Get 4th Tire Free Instantly. Receive a discount equal to the price of a single tire when four tires are added to the cart. Valid on select in stock tires only. Those tires for which discount is available will be identified in search results & product detail pages. All other tires and special order tires are excluded from this offer. Valid when scheduled for installation on PepBoys.com and installation is completed between 12/8/16 through 12/14/16.


Buy 2 Tires, Get 10% Off
Receive 10% off 2 tires on your online purchase. Use promotional code ROLLOUT10 at checkout to receive discount. This offer cannot be combined with any other offers, coupons or rebates. Valid on select in stock tires only. Those tires for which discount is available will be identified in search results & tire detail pages. All other tires, as well as special order tires, are excluded from this offer. Valid if purchased online or installed by 12/14/16.

Tire Size
215/45R18
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194_000_21159
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  • Size: 215/45R18
  • Part #: 21159|
  • SKU: 10003671|
  • (P) Passenger

0
Mile
Warranty

89W
Service
Description

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BF Goodrich g-Force T/A KDWS

Outstanding all-season performance. What it is g-Force performance for drivers who need true all-season capability- including snow- plus the smooth ride and long wear major automakers demand. Original equipment on the Pontiac GTO and the Ford Mustang GT. Who it s for Performance car owners who need true high performance and all-season capability.
  • Innovative asymmetric tread design
  • Center rib with tapered lateral voids
  • Increased interior groove offset
  • All-season tread compound
  • Flat oval footprint
  • Outstanding all-season traction and handling in dry, wet and snow conditions
  • Excellent on-center feel and superb steering response and road feel exceptional control even at high speeds
  • Helps enhance snow traction, and equalize wet dry handling, M S rated provide confident snow traction with reduced noise
  • Excellent wet and dry grip UTQG traction grade AA
  • Enhanced wet grip in shallow water depths excellent treadwear for an ultra-high performance tire


Warranty
Tire Size
Passenger215/45R18
Tire Type
Speed Rating
Load Index
Load Range
Plus

SERVICE DESCRIPTION

Safety Rating is a combination of two values: Load Index and Speed Rating for P-Metric and Euro Metric tire sizes; and Load Range and Speed Rating in the case of heavy duty LT (light truck) sizes.

Speed Rating is based on the speed that the tire is designed to be driven at for extended periods of time. All tires in the in the U.S. are designed to maintain legal U.S. speed limits. The speed rating of tires must match the maximum driving speed of the vehicle.

Load Index is used on P metric and Euro Metric sized tires and denotes a tire's load-carrying capacity at a specified inflation pressure. The load index is represented by a number, the higher the Load Index Value the greater the load the tire can safely carry. Vehicle manufacturers recommend a maximum load capacity based on a recommended minimum load index.
(P) Passenger
W
89
N/A
Tire Class
Plus

TIRE CLASS

Tire Class reflects how the tire will be used. There are four major categories: All-Season, Max Performance, Summer-Only and Winter-Use.

All-Season tires are suitable for year-round driving in all weather conditions.

Summer-Only & Max Performance tires are specifically designed for high-performance driving. Tire compound, tread design and speed ratings all combine to hug the road and maintain grip. Summer tires by nature are not ideal for winter driving due to lack of siding to grip winter roads.

Winter-Use tires have tread compounds and patterns that are specially designed for grip on snowy or icy road surfaces. They are not suitable for year-round use. The rubber compound used will wear more quickly on dry, summer roads. It is recommended that winter tires are fitted as a complete set to avoid potential handling issues.
Everday Use
All Season
All Season

Off-Road Off-Road

Summer-Only Summer-Only

Winter-Use Winter-Use
Tread Type
Plus

TREAD TYPE

Tread Type is an important consideration when choosing a tire. There are four main types: Passenger, Highway, All-Terrain and Mud-Terrain.

Passenger denotes a tread that is suitable for normal use, a good all-round tread for normal driving.

Highway is a tread type unique to SUV and truck tires. The tread is optimized for normal everyday driving on paved surfaces. These tires can be driven off pavement, but are not ideally suited for off road traction. Highway tread patterns deliver a quiet ride.

For light trucks and specialty vehicles, All-Terrain tread types provide better off-road traction than standard highway truck tires. There more aggressive tread tends to be less quiet on paved roads. All Terrain tires are suitable for everyday use.

Mud-Terrain treads are specifically designed with wider tread blocks and higher void ratios to gain traction in off-road conditions. Mud Terrain tires can generate higher noise levels and tend to carry lower mileage warranties than other tread designs.
Passenger Passenger
Highway Highway
All-Terrain All-Terrain
Mud-Terrain Mud-Terrain
UTQG
Plus

UTQG - Uniform Tire Quality Grade

UTQG (Uniform Tire Quality Grade) is made up of three values: treadwear, traction and temperature.

Treadwear is a relative numeric score, based on manufacturer tests, showing how well a tire can be expected to wear compared to other tires. A higher score means a tire could be expected to wear better.

Traction measures the tire's ability to stop a vehicle on wet roads. It doesn't reflect a tire's acceleration, cornering, or hydroplaning performance. Traction grades range from AA (highest) to C (lowest).

Temperature grades the tire's ability to withstand heat build-up, with A being the highest grade and C the lowest.

A - Over 115 mph
B - Between 100 to 115 mph
C - Between 85 to 100 mph
Treadwear: 400
Traction Asphalt - gForce
AA - Above 0.54
A - Above 0.47
B - Above 0.38
C - Less Than 0.38
Temperature
Grades:
A - Over 115 mph
B - Between 100 and 115 mph
C - Between 85 and 100 mph
Performance

Drive / Ride Performance Characteristics

All tires have the following six performance characteristics, divided into three sets of trade-offs. In most cases, a tire may perform excellently in one characteristic but only standard in the other.
Standard Ride Comfort & Standard Handling
Handling: Get stiff side wall for precise steering and cornering but settle for a firm ride with increased road noise.
Ride Comfort: Enjoy a quiet, smooth ride but lose some cornering ability.
Standard Treadwear & Standard Traction
Traction: Stop faster in wet conditions but expect a shorter tread life.
Treadwear: Get long, uniform wear across your tread pattern but expect less traction in wet conditions.
Standard Low Rolling Resistance & Standard High Speed Performance
High-Speed Performance: Get increased performance at higher speeds but sacrifice some fuel economy.
Low Rolling Resistance: Enjoy improved fuel efficiency but expect less high-speed cornering ability.

10003671

Rated 4.2 out of 5 by 104 reviewers.
Rated 2 out of 5 by Jury's out Came as OE on my 09 Mustang GT anniversary series. Low pressure light came on a couple of times, filled up with air and went about my business. I now have 14,000 miles on the car and have to replace all 4 tires. All have a separated ply and are weather cracked between the tread pattern. Maybe I was one of the unlucky ones that got a set built on Friday, but really disappointed in the tire. The replacement set will not be BF Goodrich! September 20, 2011
Rated 5 out of 5 by Don't know what you've got til it's gone These tires were OE on my '09 GT Premium Convertible. I thought they were ok. When they wore out at 35,000 miles, I figured I'd try something else. Went with Goodyear Eagle GT. What a mistake. Eagle is hard, noisy, and uncomfortable. Wouldn't ever stay in balance either. The KDWS, in retrospect were as comfortable as a good touring tire, and handled as well as a good performance tire. Road Feel, cornering, wet and dry traction, all very good. Anyway, I did so much complaining that the tire shop got me a refund from Goodyear, which was cool of them. On Monday, I am replacing them with good ol' BFG KDWS... Don't make my mistake! Stick with the BFG's! July 14, 2011
Rated 4 out of 5 by I was impressed enough ... I was impressed enough that I will purchase the all-season sport tires that replaced the KDWS. November 29, 2010
Rated 5 out of 5 by this is my second set of ... this is my second set of KDW2's, and i was eager to pick up another set after a good run with the first ones. i am running an equal 18x9.5 setup on all four corners, and it really complements the Z's neutral handling. the width really helps braking and accelerating, and really hooks up well with the Nismo differential in both scenarios. when pushed, the width does provide a bit of understeer from the front, but it easily overcome with mild throttle inputs. overall, the tire is superb in the rain, unflappable when its dry and an overall great pick for a UHP summer tire. careful when driving in temps under 40 degrees, though, unless you wanna practice your drifting :) November 29, 2010
Rated 4 out of 5 by These tires have been ... These tires have been great on my car and provide the comfortable ride with all the performance that I desired. November 28, 2010
Rated 5 out of 5 by These tires were much ... These tires were much better than the Goodyear Eagle's my Corvette had on it. These tires grab better in all conditions and brake well too. I get compliments on how wide my tires are and how well they handle and ride with such a short sidewall. November 28, 2010
Rated 5 out of 5 by i find these tires the ... i find these tires the best for my impala ss. They wear well and handle extremely well in dry and wet conditions. feel like you ar eon a rail driving November 28, 2010
Rated 5 out of 5 by These tires provide all ... These tires provide all the grip that my late model muscle car needs. They corner extremely well and take anything my mustangf can dish out. They hook up on hard launches and cruise down the highway nice and quiet on hot or cold days November 24, 2010
Rated 4 out of 5 by Was very pleased with the ... Was very pleased with the overall handling and multiple weather capabilities November 23, 2010
Rated 5 out of 5 by I've had these tires on ... I've had these tires on my car for almost 2 years now and they provide an extremely smooth comfortable ride. They are so smooth that my kids tell me my car feels like they are riding on a cloud, now thats comfort. On the other hand, I also love the way my car handles on the road, wet or dry. These tires just hug the road and instantly grab the pavement when taking corners or curves on the highway. I love these tires so much that it makes me feel like I'm driving a sports car even though I'm in a family car. Thanks BFGoodrich...... November 22, 2010
Rated 5 out of 5 by The KDWS tires performed ... The KDWS tires performed exceptionally well. Very happy with the ride quality. The KDWS tires had perfect wear on all 4 tires on a mustang that is over 20 years old. I will purchase BFGoodrich brand tires again. I am planning on running the KDW tires next time around. November 22, 2010
Rated 3 out of 5 by Great handling tire - the ... Great handling tire - the aggressive tread looks great on the 350Z - but a VERY NOISY tire November 22, 2010
Rated 4 out of 5 by Excellent tires great dry ... Excellent tires great dry and wet handling will defiantly be buying another set once these wear out November 21, 2010
Rated 5 out of 5 by I absolutely love these ... I absolutely love these tires. the only down fall was how long they wear and how much they cost. November 20, 2010
Rated 5 out of 5 by great tires worked well ... great tires worked well in the rain. very satisified,great price November 19, 2010
Rated 4 out of 5 by Nice to find a ... Nice to find a performance tire that can be run in the winter. Got us through a couple of Minnesota winters. November 18, 2010
Rated 5 out of 5 by I really like this tire ... I really like this tire for its performance. The grip on the road in rain,snow, or dry is exceptional. I can't "break it loose" for more that ten feet. Then it really hooks up. I always run them "max" pressure and they still wear "flat". I like "em! To prove how much I like "em, I have a stack of used up tires about 48 feet tall or the equivelent of 475,000 miles of BF Goodrich KDWS 17 INCH TIRES. November 18, 2010
Rated 5 out of 5 by Some road noise but ... Some road noise but expected with performance tires. November 18, 2010
Rated 4 out of 5 by Great Ride and low road ... Great Ride and low road noise. Seemed to last longer than my last set even with intermittent torture. Its hard to argue with 40,000 miles and counting with no flats and a little ways to go before I hit the tread limit indicators November 17, 2010
Rated 4 out of 5 by A nice mix of performance ... A nice mix of performance from summer to snow, this tire has performed exceptionally well in my experience. November 16, 2010
Rated 5 out of 5 by I own a custom car shop ... I own a custom car shop and All of my high performance cars get Gforce kdw nt as well as 4 set have been used on my roadrace vette! I just get unbelievable performance out of the tires every time I go to the track or just blowning down the highway! I even have a set now on my moms and dads vette! My dads qoute was that the new tires just changed the entire dynamics of how the car road, drove and handled! November 16, 2010
Rated 4 out of 5 by Good balance in all ... Good balance in all season handling and performance. November 15, 2010
Rated 4 out of 5 by Great tread pattern. Not ... Great tread pattern. Not as noisy as people said it would be. November 15, 2010
Rated 5 out of 5 by On my gto, these kdws ... On my gto, these kdws tires are everything as advertised. Best bolt on performance upgrade. Tire wear is probably where it should be as I am frequently driving aggressive. I have about 8000 miles and I have another 8to10k more to go. Acceleration and cornering as well as overall handling can't be beat. Love the tires and I will purchase a new set for the GTO. November 15, 2010
Rated 5 out of 5 by I really like the KDWs ... I really like the KDWs They are my favorite tire. I have 705 rwhp and this is the best street tire that I like to use. I recommend them to everyone. November 15, 2010
Rated 5 out of 5 by This is a very good tire ... This is a very good tire for all weather conditions. November 15, 2010
Rated 3 out of 5 by I'd give the tire more ... I'd give the tire more stars except when the GTO sits a few days in the garage, the tires are bumpy from I guess, flat spots for about 20 miles of freeway driving and they seem to ware fast even with alignment, balancing and 35 psi inflation. Two of them needed replacement at 24,000 miles. November 15, 2010
Rated 3 out of 5 by ok....not bad and not ... ok....not bad and not great....wore out at 25k miles November 14, 2010
Rated 5 out of 5 by These tires lasted over ... These tires lasted over 40,000 miles on the back of my car the last 3 sets were gone in less than 12,000 miles November 14, 2010
Rated 5 out of 5 by I feel that these tires ... I feel that these tires were able to hold up better than anticapated, the smoothness and handling on them is great! They can hug the road at increased speeds and stop on a dime. November 14, 2010
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