Shocker XL 2HB Spare Tire Delete Kit

(Honking & Capable Onboard Air Unit)


Add Tire Inflation Kit Tooltip
Our Tire Inflation Kit includes a 30' Coil Hose, Tire Inflation Gun, & Air Relocation Kit!
Add Electric Drain Valve Kit Tooltip
This kit has everything you need to drain your tank from the push of a button from inside the cab!
Add 220 PSI Digital Pressure Gauge Tooltip
Using a tank mounted sensor wired directly to your gauge, our 220-PSI rated Digital Air Pressure Gauge delivers unparalleled accuracy with microprocessor stabilized readings.
Add Gold Extended Warranty Tooltip
1 year add-on to existing warranty. Does NOT cover accidental damage, no advanced replacement.
Click here for more information!
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Add Platinum Extended Warranty Tooltip
2 year add-on to existing warranty. DOES cover accidental damage and advance replacement.
Click here for more information!
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The Shocker XL 2HB Spare Tire Delete kit is now the most affordable STD kit you can buy. We combined our legendary Shocker XL horns, our Spare Tire Delete bracket, and our HornAir 2HB onboard air system to give you a kit that's HUGE on sound without breaking the bank. 

  • The Loudest kit we make, be heard for miles!
  • Simplified install with our Spare Tire Delete bracket.
  • Includes a spare tire delete bracket, 2-gallon tank, compressor and all necessary hardware.
  • 4-Second honk time, 65-second recovery.
  • The Shocker horns in the kit are backed by our lifetime manufacturer's warranty. All other items would be covered per standard warranty guidelines (1 year).

    Important Notes:

    • VEHICLE FITMENT NOTICE: This bracket is not 100% plug-and-play with all vehicles. 2020-2021 Chevy & GMC 1500 and 3500 series trucks will require some modification to the mounting point for installation. If you are unsure, please contact us for assistance.
    • Fits most full-size pickups. 
    • The spare tire delete kit is shown assembled above for illustration purposes only. The kit will arrive as individual components and assembly will be required. Please check the install instructions in the section below.
    • Adding the S6 extensions to your STDK will increase the width from 20" to 29". Please make sure you have the clearance before purchasing.



      This video shows our Shocker XL train horn in a third-party decibel test alongside your typical "air horn" honked side-by-side at the same pressure. As you can see, no one even comes close to the insane volume and tone of our Shocker XL train horns!
      • High-efficiency & extremely loud
      • The horns are constructed from fiberglass-reinforced ABS for extreme durability through all harsh conditions.
      • Stainless steel diaphragms won't rust!
      • Manifold-less design for flexible installation
      • All-inclusive train horn solution!
      • Heavy-duty air compressor for faster fills!
      • All standard mounting hardware
      • Max honk time: 4 to 6 seconds
      • It can be heard from almost miles away!
      • The bracket has a black powdercoat finish 
      • Made from 14-gauge steel
      • Quick & easy install
      • Part Number: HK-S4-244K-STDK
      • Operating Pressure: 150 PSI
      • Restart Pressure: 110 PSI
      • Voltage: 12-Volt DC
      • Horn: Shocker 4 train horn kit
      • Horn Material: High-impact fiberglass reinforced ABS
      • Horn Measurements
      • № 1 19.50″ (495.30 mm)

        № 2 16.25″ (412.75 mm)
        № 3 14.75″ (374.65 mm) № 4 12.75″ (323.85 mm)
      • Air Tank: HornAir 2-gallon 6 port air tank
      • Tank Length: 17″ (431.8 mm)
      • Tank Diameter: 6″ (152.4 mm)
      • Tank Height: 7″ (177.8 mm)
      • Tank Weight: 10 lb (4.54 Kg)
      • Average Fill Time: 1 minute 10 seconds
      • Air Flow: 1.56 CFM
      • Compressor Length: 8.75" (222.25 mm)
      • Compressor Width: 4" (101.6 mm)
      • Compressor Height: 6.6" (167.64 mm)
      • System Max Amp Draw: 25 Amps
      • Assembled Length: 21"
      • Assembled Width: 23"
      • Assembled Height: 13"
      • Assembled Weight: 40 lbs
      • Money-Back Guarantee/Refund Policy
        All merchandise unless otherwise indicated may be returned within 30 days from the shipment arrival date for a refund. A Returned Merchandise Authorization (RMA) number is required for all returns. A 15% restocking fee may apply. Additional deductions may be made to reflect the products current market value. These terms apply to all refunds. Most products are shipped with a refund/replacement guarantee period unless otherwise noted in the product listing. Customers must inform of any order discrepancy within 7 days from the invoice date so that we may investigate and resolve the situation accordingly.
      • Warranty
        Our Shocker XL Train Horns are backed by our Lifetime Manufacturer's Defect Warranty and the rest of the components in this kit are backed by our One-Year Manufacturer's Defect Warranty.
      • Satisfaction Guarantee offers our customers a 30-day satisfaction replacement or refund guarantee on all purchases, except when otherwise noted in the product listing.
      • Cross-Shipments will not cross-ship returned merchandise.
      • Physical Damage Policy
        Physical damage to any product purchased at will effectively void warranty coverage. Physical damage includes but is not limited to improper handling and/or any other type of damage sustained by irregular usage.

      Warnings & Notices

      Hearing Loss warning icon
      Hearing Protection Required

      This product produces extreme loudness. Proper hearing protection must be worn at all times during its operation. Hearing loss or permanent damage may result from unsafe use. Use this product in a safe and responsible manner and at a distance of at least 100 meters from others. Never operate this product in a closed environment, in close proximity to living beings, or where prohibited by law.

      Safety warning icon

      This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to

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