Protect your investment from the elements with Kleinn Air Horns Triple Large Train Horn Covers. These durable covers are engineered to shield your triple trumpet assembly from road grime, mud, snow, and insects that can accumulate in the horn bells. By preventing debris from entering the trumpets, you ensure consistent sound performance and prevent potential damage to the internal diaphragms, especially when horns are mounted in exposed locations like the vehicle chassis or behind the bumper.

• Shields horn trumpets from environmental contaminants and debris
• Helps maintain maximum sound output and longevity
• Designed for triple trumpet configurations
• Compatible with Kleinn Horn models: 230, 630, 730, 500, 501, and 502
• Set includes three (3) large horn covers

The Kleinn HK2-1 ProBlaster is a complete, direct-bolt-on dual air horn system designed for universal application on cars, trucks, and SUVs. This high-performance kit features two all-metal trumpets measuring 16.75 inches and 14.5 inches with 3-inch bells, delivering a powerful 153.6-decibel blast reminiscent of an emergency vehicle. The versatile flat-mounting design allows for secure installation behind the grille, within the engine bay, or along the frame rails.

The system is powered by a Model 6270RC waterproof electronic air compressor rated at 130 PSI, paired with a compact 0.5-gallon all-steel air tank equipped with five 1/4" NPT ports. For reliable operation, the kit includes a pre-wired Vortex 4 Series Model 307 electronic solenoid valve and a 12-volt relay.

• Model 6270RC waterproof sealed air compressor
• 0.5 gallon all-steel air tank with five 1/4" NPT ports
• Dual black all-metal trumpets (16.75" and 14.5" lengths)
• Output level: 153.6 dB
• Vortex 4 Series Model 307 electronic solenoid valve
• Includes 12V relay, pressure switch, 1/4" high-pressure airline, and mounting hardware
• Manufacturer Part Number: HK2-1

Fits select 2009-2014 Ford F-150 and SVT Raptor models. This Kleinn Veloci-Raptor system (VELO-734) is a complete, vehicle-specific onboard air solution that combines high-output pneumatic utility with the aggressive sound of a Model 730 triple train horn.

Engineered for a 100% bolt-on installation, this kit uses custom chassis-specific brackets that utilize existing factory holes. This eliminates the need for drilling, cutting, or welding during setup. The system features a 100% duty-cycle waterproof compressor and a 3-gallon air tank, providing enough volume for tire inflation, air tools, or air suspension management. The Model 730 horns are constructed from stainless steel for maximum corrosion resistance and durability in harsh environments.

• Model 730 Triple Train Horn: Three stainless steel trumpets (21.75", 17.75", and 13.5" lengths).
• 6450RC Air Compressor: 150 PSI rated (200 PSI max), waterproof, 100% duty cycle.
• 6351RT 3-Gallon Tank: Includes (5) 1/4" ports and (1) 3/8" port.
• Direct-Fit Mounting: Heavy-duty brackets for frame rail and under-bed mounting.
• Tire Inflator Kit: Includes quick-connect hose and dedicated storage bag.
• Compatibility: Designed specifically for 2009-2014 Ford F-150 and SVT Raptor trims.
• MPN: VELO-734

Fits select 2020-2026 Chevrolet Silverado 2500 HD / 3500 HD and GMC Sierra 2500 HD / 3500 HD.

The Kleinn GMHD20-734 is a vehicle-specific, 100% bolt-on onboard air system and train horn kit engineered specifically for heavy-duty GM trucks. This direct-fit setup utilizes precision-cut, powder-coated mounting brackets to bolt directly to factory locations, requiring no drilling or fabrication for a clean, professional installation. The kit features the Model 730 Demon triple train horn, utilizing XCR 2.0 black-coated spun steel trumpets (18.25", 14.75", and 10") for a powerful, locomotive-rivaling blast.

This comprehensive air system is powered by the Model 6450RC 100% duty-cycle waterproof compressor and a 3-gallon Model 6353RT air tank. The compressor and tank mount securely to the mid-frame rails, while the horns are positioned in the bedside step cavities and between the fuel tank and exhaust for a stealthy fit. This kit also provides a versatile air source for tire inflation and air tool use, including a digital tire inflator and a remote quick-connect coupling.

• Model 730 Demon Horns: Triple trumpets (18.25", 14.75", 10") with XCR 2.0 black coating for maximum resonance and durability.
• Model 6450RC Compressor: Waterproof, 100% duty-cycle unit rated at 200 PSI max output.
• Model 6353RT Air Tank: 3-gallon capacity with nine 1/4" NPT ports and anti-corrosion internal coating.
• Complete Installation Kit: Includes custom mounting brackets, 1/2" air line, heavy-duty brass solenoids, tire inflator with digital gauge, and all required wiring.
• Mounting Locations: Horns mount in bedside steps and near fuel tank; tank and compressor mount to mid-frame rails.
• MPN: GMHD20-734

The Kleinn 730 Demon triple train horn system is engineered for universal application, delivering an aggressive, authentic railcar blast reaching up to 157.8 decibels. This high-output kit features three tuned spun steel trumpets protected by Kleinn's exclusive XCR2.0 satin black corrosion-resistant coating, designed to withstand extreme heat, UV exposure, and salt spray in harsh environments.

Built for maximum installation flexibility, the Demon uses a detachable flat-rack design. This allows the 18.25", 14.75", and 10.5" trumpets to be removed from the main bracket and mounted individually to accommodate vehicles with unique spatial constraints. The system is equipped with a high-performance Vortex 6 Series (VX6003) 12-volt electronic solenoid valve with 3/8" ports to ensure maximum airflow and instantaneous sound response. Note: This kit requires an onboard pressurized air system for operation.

• Sound Output: 157.8 dB (Upgradable to 159.6 dB with Ultra BlastMaster P/N 6890)
• Trumpet Lengths: 18.25", 14.75", and 10.5" (3.5" Horn Base)
• Material: Spun steel with XCR2.0 satin black corrosion-resistant finish
• Solenoid: Vortex 6 Series Model VX6003 (12V, 3/8" NPT)
• Airline: 12' of 1/2" Heavy Duty 300 PSI airline included
• Dimensions: 22.5" x 18.5" x 7.25"
• MPN: 730

The Kleinn 6450-SLIM Onboard Air System is a high-output, space-efficient solution designed for vehicles with limited mounting room. This heavy-duty system features a 150 PSI, 100% duty cycle waterproof air compressor paired with a 3.0-gallon slim-profile steel air tank (Model 6351RT). The slim tank design allows for installation in tight chassis locations while providing ample volume to power high-decibel air horns, air suspension bags, and small pneumatic air tools.

Engineered for reliability in harsh environments, the compressor includes built-in thermal overload protection and a fully waterproof housing. This comprehensive kit also includes a tire inflation system with a quick-connect hose and locking chuck, making it an essential upgrade for off-road utility and towing applications.

• Manufacturer Part Number: 6450-SLIM
• Compressor Rating: 150 PSI / 100% Duty Cycle
• Air Tank: 3.0 Gallon Slim Fit Steel Tank (Model 6351RT)
• Motor Protection: Internal thermal overload protection
• Kit Components: Waterproof compressor, air tank, tire inflation kit, air hose, locking tire chuck, storage case, and installation hardware

The Kleinn 6450 Onboard Air System is a high-volume, heavy-duty pneumatic solution designed to power demanding vehicle accessories. This comprehensive kit features the 6450RC waterproof air compressor, which delivers a 100% duty cycle and is rated for 150 PSI (with a 200 PSI maximum) to handle continuous operation without overheating. The system is anchored by a massive 5.0-gallon steel air tank, providing the necessary volume for high-decibel air horns, air suspension bags, and small pneumatic tools.

Built for durability in harsh environments, the compressor is fully sealed and includes a "snorkel" air intake relocation kit to ensure clean, dry air induction. The package includes a P/N 2151 pressure switch (110/145 PSI) and a complete tire inflation kit with a storage case, quick-connect hose, and locking chuck for roadside utility.

• 6450RC waterproof/sealed air compressor
• 5.0-gallon steel air tank
• 150 PSI rated (200 PSI max) at 100% duty cycle
• P/N 2151 pressure switch (110/145 PSI) included
• Snorkel air intake relocation kit for moisture protection
• Quick-connect tire inflation kit with storage case and air hose
• Includes all necessary fittings and mounting hardware
• Manufacturer Part Number: 6450

The Kleinn 220 is a high-performance dual train horn system engineered for universal application, delivering an authentic locomotive blast rated at 151.8 dB. This system features two separate, high-impact matte black ABS plastic trumpets with extra-wide bells designed for maximum acoustic projection. Each trumpet is mounted to a durable zinc alloy base to ensure long-term reliability in harsh environments.

For instantaneous air delivery and maximum volume, each trumpet comes equipped with its own dedicated Vortex 4 Series Model 307 12-volt electronic air horn solenoid valve. The independent mounting configuration provides a versatile solution for builds with unique spatial constraints, allowing you to position the 16.5-inch and 11.5-inch trumpets where they fit best. This system requires an onboard pressurized air system for operation.

• Output: 151.8 dB @ 150 PSI
• Trumpet 1 Dimensions: 16.5" L x 6.25" W x 6.25" H
• Trumpet 2 Dimensions: 11.5" L x 5.0" W x 5.0" H
• Material: High-impact ABS trumpets with zinc alloy bases
• Includes dual Vortex 4 Series Model 307 12V solenoids
• 1/4-inch OD airline input (12' airline included)
• Manufacturer Part Number: 220

Fits 2017-2025 Ford F-150 Raptor models. This vehicle-specific onboard air system combines the massive sound of the Model 730 Demon triple train horn with a high-performance pneumatic power station. Engineered for a 100% bolt-on installation, this kit uses USA-made chassis-specific brackets that mount directly to factory locations under the frame rails, preserving your spare tire and storage space without any drilling or welding required.

The system features a Model 6450RC 200 PSI waterproof air compressor and a Model 6353RT 3-gallon steel air tank. The tank is internally coated with Cortec anti-corrosion material and finished in black epoxy for maximum durability. Beyond firing the triple horns, this system serves as a versatile utility station capable of inflating large off-road tires, powering air tools, or managing air suspension. Note: This system is compatible with Amp Research steps but will not fit standard F-150 models or Raptors equipped with OEM power side steps.

• Model 730 Demon triple train horn for maximum volume
• Model 6450RC 200 PSI high-output waterproof air compressor
• Model 6353RT 3-gallon steel air tank with Cortec internal anti-corrosion coating
• USA-made black powder-coated vehicle-specific mounting brackets
• Remote-mount quick connect with 30-foot high-pressure tire inflator hose and storage bag
• Includes Kleinn Juice-1 thread sealant and all necessary hardware
• Compatible with Part Number 6890 Ultra BlastMaster valve upgrade kit
• Manufacturer Part Number: RPTR-734

Fits 2023-2026 Ford F-250 and F-350 Super Duty (All Trims).

The Kleinn FSD23-734 is a vehicle-specific onboard air and train horn system designed for a 100% direct bolt-on installation. Engineered and manufactured in the USA, this kit features chassis-specific, powder-coated steel mounting brackets that attach directly to factory holes, requiring no drilling, cutting, or welding. The high-performance layout is designed to completely retain your factory spare tire for a clean, stealthy under-truck setup.

The system is anchored by the triple-trumpet Model 730 Demon train horns, constructed from spun steel with a durable black finish to produce a 157.9 decibel output. Air supply is managed by the Model 6450RC waterproof high-output compressor, which delivers 150 PSI at a 100% duty cycle. Paired with a heavy-duty 3-gallon air tank, this setup functions as a complete onboard air station capable of inflating tires up to 37 inches, powering pneumatic tools, or supplying air suspension components.

• Manufacturer Part Number: FSD23-734
• Horns: Model 730 Triple-Trumpet Demon Train Horns (Black Spun Steel)
• Sound Output: 157.9 dB
• Compressor: Model 6450RC 150 PSI Waterproof (100% Duty Cycle)
• Air Tank: 3-Gallon Heavy-Duty Steel Tank
• Installation: Bolt-on (No drilling/cutting required)
• Tire Capacity: Inflates tires up to 37 inches

Equip your commercial vehicle or semi-truck with the Kleinn 412, a heavy-duty single roof-mount air horn designed for maximum acoustic presence. This high-performance horn features a 22.75-inch chrome-plated trumpet with a distinct rectangular opening, engineered to deliver the deep, authentic blast associated with over-the-road big rigs. A built-in protective horn cover is included to keep road debris and moisture out of the air system, ensuring long-term reliability in harsh environments.

• Construction: Chrome-plated stainless steel for superior corrosion resistance and a mirror-like finish.
• Mounting: Designed for external roof mounting on custom or commercial rigs.
• Air Requirements: Requires an onboard pressurized air system and a 1/4-inch airline input.
• Trumpet Size: Single 22.75-inch trumpet with a 2.25-inch base.
• Overall Dimensions: 25 x 8.5 x 4.5 inches.
• Installation Note: Requires Kleinn Model 330 Roof Mount Air Horn Fittings Kit for a leak-free setup (sold separately).
• Control Options: Can be operated via manual hand-pull air valve (Model 310 or 311) or an electronic solenoid valve (not included).
• MPN: 412

Designed for universal vehicle application, the Kleinn 102-1 is a high-output dual air horn system engineered for durability and a deep, authentic railcar tone. This kit features two all-metal zinc alloy trumpets measuring 15 inches and 12.25 inches with 3-inch bell ends, providing a distinct blast reaching up to 149.1 decibels at 150 PSI. Each trumpet is finished in Kleinn's exclusive XCR2.0 satin black coating, a corrosion-resistant treatment specifically formulated to withstand harsh road environments and off-road exposure.

This system includes the heavy-duty Vortex 4 Series Model 307 electronic solenoid valve, designed for 1/4-inch airline compatibility to ensure instantaneous air delivery. The compact footprint allows for flexible mounting in trucks, SUVs, and custom builds. Note: This horn system requires an onboard air system for operation.

• Manufacturer Part Number: 102-1
• Trumpet Material: XCR2.0 Coated Zinc Alloy
• Trumpet Lengths: 15" and 12.25" (3" Bell Ends)
• Solenoid Valve: Vortex 4 Series Model 307 (1/4" Airline)
• Sound Output: 149.1 dB @ 150 PSI
• Dimensions: 16.5" x 7.25" x 3.75"

The Hella Supertone High-Tone Horn (MPN: H31631021) provides a sharp, penetrating sound designed to ensure vehicle visibility and safety in dense traffic. Engineered by HELLA, a global OEM supplier, this 12V 500Hz horn is built with robust construction to withstand the high vibration and harsh environmental conditions found in automotive applications.

This universal horn is designed for compatibility with most 12V electrical systems, simplifying the installation or replacement of factory units. Delivering a volume output between 108 dB(A) and 118 dB(A), the Supertone series is a standard-setting choice for drivers requiring maximum audibility.

• Manufacturer Part Number: H31631021
• Tone: 500 Hz (High-Tone)
• Voltage: 12V
• Sound Level: 108 dB(A) – 118 dB(A)
• Construction: Vibration-resistant housing with concise short codes for easy identification
• Application: Universal fitment for 12V vehicles
• Included: Integrated metal mounting bracket

Fits select 2003-2025 Toyota and Scion vehicles including 4Runner, Avalon, bZ4X, Camry, Corolla, FJ Cruiser, Highlander, Land Cruiser, Matrix, Prius, and Venza.

Replace weak or failing factory horns with the Hella TE26 Series Trumpet Horn Kit. Engineered specifically for Toyota and Scion applications, this kit provides a significant increase in acoustic presence to improve road safety. The TE26 series produces a powerful signal ranging from 108 to 118 dB(A) at 335 Hz, ensuring your vehicle is clearly heard in heavy traffic or hazardous conditions. These horns are built with a robust construction designed to withstand high vibration and harsh under-hood environments.

Installation is straightforward thanks to the included mounting bracket and vehicle-specific OE connectors. These matching plugs eliminate the need for wire stripping or splicing, allowing for a clean, professional DIY installation that integrates directly into your factory electrical harness.

• Manufacturer Part Number: 012010901
• Sound Level: 108 dB(A) to 118 dB(A)
• Frequency: 335 Hz
• Voltage: 12V
• Connection Type: Vehicle-specific Toyota OE plug-and-play connector
• Construction: Vibration-resistant housing for long-term reliability
• Kit Includes: Twin trumpet horns and mounting hardware

Fits select 2014-2017 BMW 2 Series, 3 Series, 4 Series, and M-Series models.

The Hella TE20 Series Twin Trumpet Horn Kit is engineered to enhance vehicle safety through a high-intensity acoustic warning system. This kit features a low and high-tone pairing that produces a broad sound emission, ensuring your vehicle is clearly heard in heavy traffic or emergency situations. Each horn is encased in a durable, glossy black ABS housing designed to withstand engine bay heat, moisture, and high-vibration environments.

This 12V kit is a direct upgrade for drivers seeking improved audibility and reliability over factory equipment. The sleek design integrates seamlessly into the engine compartment while providing a significant increase in sound output compared to standard OE horns.

• Volume Output: 108 dB(A) to 118 dB(A)
• Frequency: 335 Hz tone
• Voltage: 12V
• Construction: Corrosion-resistant ABS housing with moisture protection
• Finish: Glossy Black
• Manufacturer Part Number: 011225831

Upgrade your vehicle's signaling capability with the Hella Twin Trumpet Horn Kit (MPN: 007424801). Engineered for reliable performance across all driving environments, this 12V kit features two horns tuned to 400Hz and 500Hz frequencies. This dual-tone configuration produces a sharp, clear acoustic signal that ensures high audibility and improved road awareness.

Constructed from vibration- and weather-resistant materials, these horns are built to withstand the rigors of daily use. The assembly includes integrated moisture protection to prevent internal degradation from road spray and harsh weather conditions. Designed as a universal fit, this kit utilizes OE-style connections for a straightforward installation on most 12V vehicle electrical systems.

• Operating Voltage: 12V
• Tone Frequencies: 400Hz and 500Hz
• Includes moisture protection for internal components
• Durable, vibration-resistant construction
• Universal mounting for diverse vehicle applications
• Manufacturer Part Number: 007424801

The Hella Supertone Horn Kit (003399801) is an industry-standard acoustic upgrade designed to maximize road safety through high-performance signaling. This 12V dual-tone kit produces a penetrating sound by combining 300Hz and 500Hz frequencies, ensuring your vehicle is heard even in high-ambient-noise environments. Engineered for longevity, these horns feature a rugged design with moisture protection and a durable galvanized steel housing to withstand vibration and harsh weather conditions.

• System Voltage: 12V
• Tone Frequencies: 300Hz (Low Tone) and 500Hz (High Tone)
• Construction: Impact-resistant galvanized steel housing
• Finish: Signature Red protective cage for corrosion resistance
• Protection: Integrated moisture and weather protection
• Installation: Universal fit for most 12V vehicle electrical systems
• Manufacturer Part Number: 003399801

Designed for 24V heavy-duty and commercial vehicle systems, the HELLA B133 Series Supertone Horn Set delivers a piercing, high-performance sound to ensure road safety. These horns operate at frequencies of 375 Hz and 500 Hz, producing a powerful, harmonious tone designed to penetrate cabin noise and traffic environments.

Engineered for long-term reliability in demanding conditions, the B133 series features a riveted assembly rather than traditional screws, significantly increasing resistance to vibration and mechanical stress. The durable housing is finished in a stealthy matte black and includes moisture protection to maintain consistent output in harsh weather. This universal-fit set is an essential upgrade for drivers of 24V trucks and equipment who require a more authoritative auditory presence.

• System Voltage: 24V
• Power Consumption: 84W
• Frequency: 375 Hz (Low Tone) / 500 Hz (High Tone)
• Construction: Riveted assembly for enhanced durability
• Finish: Matte Black
• Protection: Integrated moisture protection for all-weather use
• Manufacturer Part Number: 003399101