Koni 1125 STR.T Kit — Fits 2011-2014 Ford Mustang V6/V8 (excl. GT500) & 2012-2013 Boss 302

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SKU: KON1125 1092
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Sale price$848.99 Regular price$1,688.00
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About KONI

KONI engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full KONI lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Unleash Your Mustang's Potential with Koni STR.T

Elevate the driving dynamics and visual appeal of your 2011-2014 Ford Mustang V6/V8 (excluding GT500 models) or 2012-2013 Boss 302 with the Koni 1125 STR.T Shock & Spring Kit. This comprehensive suspension package is engineered to provide a significant upgrade over your factory setup, delivering a sportier, more controlled ride and a more aggressive stance. The kit includes four Koni STR.T orange-painted dampers, precisely matched with four Eibach lowering springs, ensuring optimal performance and a striking visual transformation.

Optimized for Mustang Performance

Each component in the Koni 1125 STR.T Kit is designed for direct fitment on your specific Mustang model, guaranteeing a straightforward installation and perfect compatibility. The STR.T dampers are renowned for their non-adjustable, sport-tuned characteristics, offering a superb balance of comfort for daily driving and firmness for spirited performance. The Eibach springs not only lower your vehicle for a more appealing, track-ready look but also contribute to a lower center of gravity, which dramatically improves cornering stability and reduces body roll. Invest in this kit to unlock your Mustang's full potential on the street or track. Find your Koni suspension solutions at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2011-2014 Ford Mustang Base
2011-2014 Ford Mustang GT
2012-2013 Ford Mustang Boss 302

Product Details

Product Description
Part Numbers
Sizing & Fit

About KONI

KONI engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full KONI lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Unleash Your Mustang's Potential with Koni STR.T

Elevate the driving dynamics and visual appeal of your 2011-2014 Ford Mustang V6/V8 (excluding GT500 models) or 2012-2013 Boss 302 with the Koni 1125 STR.T Shock & Spring Kit. This comprehensive suspension package is engineered to provide a significant upgrade over your factory setup, delivering a sportier, more controlled ride and a more aggressive stance. The kit includes four Koni STR.T orange-painted dampers, precisely matched with four Eibach lowering springs, ensuring optimal performance and a striking visual transformation.

Optimized for Mustang Performance

Each component in the Koni 1125 STR.T Kit is designed for direct fitment on your specific Mustang model, guaranteeing a straightforward installation and perfect compatibility. The STR.T dampers are renowned for their non-adjustable, sport-tuned characteristics, offering a superb balance of comfort for daily driving and firmness for spirited performance. The Eibach springs not only lower your vehicle for a more appealing, track-ready look but also contribute to a lower center of gravity, which dramatically improves cornering stability and reduces body roll. Invest in this kit to unlock your Mustang's full potential on the street or track. Find your Koni suspension solutions at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2011-2014 Ford Mustang Base
2011-2014 Ford Mustang GT
2012-2013 Ford Mustang Boss 302

Product Details

Product Description

About KONI

KONI engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full KONI lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Unleash Your Mustang's Potential with Koni STR.T

Elevate the driving dynamics and visual appeal of your 2011-2014 Ford Mustang V6/V8 (excluding GT500 models) or 2012-2013 Boss 302 with the Koni 1125 STR.T Shock & Spring Kit. This comprehensive suspension package is engineered to provide a significant upgrade over your factory setup, delivering a sportier, more controlled ride and a more aggressive stance. The kit includes four Koni STR.T orange-painted dampers, precisely matched with four Eibach lowering springs, ensuring optimal performance and a striking visual transformation.

Optimized for Mustang Performance

Each component in the Koni 1125 STR.T Kit is designed for direct fitment on your specific Mustang model, guaranteeing a straightforward installation and perfect compatibility. The STR.T dampers are renowned for their non-adjustable, sport-tuned characteristics, offering a superb balance of comfort for daily driving and firmness for spirited performance. The Eibach springs not only lower your vehicle for a more appealing, track-ready look but also contribute to a lower center of gravity, which dramatically improves cornering stability and reduces body roll. Invest in this kit to unlock your Mustang's full potential on the street or track. Find your Koni suspension solutions at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2011-2014 Ford Mustang Base
2011-2014 Ford Mustang GT
2012-2013 Ford Mustang Boss 302

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