Kleinn 411 Chrome Roof Mount Single Air Horn — 21.5" Spun Copper Trumpet

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SKU: KLE411
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About Kleinn Air Horns Kleinn Air Horns engineers high-quality automotive ...Read More

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Sale price$114.99 Regular price$149.44
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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 Kleinn Air Horns

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

Kleinn 411 Chrome Roof Mount Single Air Horn: King of the Road Sound

Declare your dominance on the highway with the Kleinn 411 Chrome Roof Mount Single Air Horn. Designed for those who want an unmistakable, powerful sound, this impressive horn features a massive 21.5-inch chrome-plated spun copper trumpet. It delivers a deep, resonating blast that commands attention and ensures your vehicle is heard, making it perfect for trucks, RVs, and any vehicle seeking a significant audio upgrade.

Unmatched Loudness & Premium Durability

The Kleinn 411 is engineered for both exceptional performance and lasting durability. The high-quality chrome-plated spun copper construction not only provides a stunning visual appeal but also ensures superior sound projection and resistance to the elements. This single monster horn is a statement piece, producing a sound that rivals traditional train horns. For installation, the Kleinn Roof Mount Air Horn Fittings Kit (P/N 330) is required, along with a separate manual or electric solenoid valve. Upgrade your vehicle's auditory presence today with this premium air horn from GGCRACING.

  • Single 21.5" chrome-plated spun copper trumpet
  • Produces a deep, loud, and commanding sound
  • Robust and weather-resistant construction
  • Ideal for large vehicles and custom applications
  • Requires Kleinn P/N 330 Fittings Kit and valve (sold separately)

Product Details

Product Description
Part Numbers
Sizing & Fit

About Kleinn Air Horns

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

Kleinn 411 Chrome Roof Mount Single Air Horn: King of the Road Sound

Declare your dominance on the highway with the Kleinn 411 Chrome Roof Mount Single Air Horn. Designed for those who want an unmistakable, powerful sound, this impressive horn features a massive 21.5-inch chrome-plated spun copper trumpet. It delivers a deep, resonating blast that commands attention and ensures your vehicle is heard, making it perfect for trucks, RVs, and any vehicle seeking a significant audio upgrade.

Unmatched Loudness & Premium Durability

The Kleinn 411 is engineered for both exceptional performance and lasting durability. The high-quality chrome-plated spun copper construction not only provides a stunning visual appeal but also ensures superior sound projection and resistance to the elements. This single monster horn is a statement piece, producing a sound that rivals traditional train horns. For installation, the Kleinn Roof Mount Air Horn Fittings Kit (P/N 330) is required, along with a separate manual or electric solenoid valve. Upgrade your vehicle's auditory presence today with this premium air horn from GGCRACING.

  • Single 21.5" chrome-plated spun copper trumpet
  • Produces a deep, loud, and commanding sound
  • Robust and weather-resistant construction
  • Ideal for large vehicles and custom applications
  • Requires Kleinn P/N 330 Fittings Kit and valve (sold separately)

Product Details

Product Description

About Kleinn Air Horns

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

Kleinn 411 Chrome Roof Mount Single Air Horn: King of the Road Sound

Declare your dominance on the highway with the Kleinn 411 Chrome Roof Mount Single Air Horn. Designed for those who want an unmistakable, powerful sound, this impressive horn features a massive 21.5-inch chrome-plated spun copper trumpet. It delivers a deep, resonating blast that commands attention and ensures your vehicle is heard, making it perfect for trucks, RVs, and any vehicle seeking a significant audio upgrade.

Unmatched Loudness & Premium Durability

The Kleinn 411 is engineered for both exceptional performance and lasting durability. The high-quality chrome-plated spun copper construction not only provides a stunning visual appeal but also ensures superior sound projection and resistance to the elements. This single monster horn is a statement piece, producing a sound that rivals traditional train horns. For installation, the Kleinn Roof Mount Air Horn Fittings Kit (P/N 330) is required, along with a separate manual or electric solenoid valve. Upgrade your vehicle's auditory presence today with this premium air horn from GGCRACING.

  • Single 21.5" chrome-plated spun copper trumpet
  • Produces a deep, loud, and commanding sound
  • Robust and weather-resistant construction
  • Ideal for large vehicles and custom applications
  • Requires Kleinn P/N 330 Fittings Kit and valve (sold separately)

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