Model HK9-Slimline Triple Train Horn Kit
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ProBlaster™ Complete Ultimate Triple Train Horn Package
Our biggest train horn kit! The HK9-Slimline has all the same features as the HK9 kit but includes a slim design 3-gallon air tank and not the larger 5-gallon tank. The slim design tank offers more mounting options on small and mid-size trucks and SUVs. The Demon™ Model 730’s massive and detachable XCR 2.0™ spun steel trumpets (18.25”, 14.75”, 10.5”) allow tons of installation options. Includes a fully submersible waterproof high output 150 psi, 100% duty compressor and tire inflation kit with storage bag.
The 730 can be upgraded by adding the Ultra BlastMaster™ valve upgrade (P/N 6890) – making it the loudest, largest and most aggressive train horn on the market.
Package Includes:
- The Demon™ Triple Train Horn
- VX6003 High Performance Air Valve
- 150 PSI Fully Submersible Waterproof Air Compressor
- 3-gallon Slim Design Air Tank – Made in USA
- Pressure switch & Brass Air Fittings
- 12 ft high pressure nylon air tubing & Horn Button
- 35′ tire inflation coil hose
- Wiring/Installation Kit
Estimated between and
Will usually ship within 1 business day.
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Please allow 10 days for your order to arrive. We source products from all over the world to bring you epic offers and the lowest prices. This means sometimes you have to wait a little longer to get your order but it's always worth it! |
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Returns are easy, simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap! |
![]() |
We Put Our Customers First to us. If it doesn't fit, it breaks, you've changed your mind or for no reason whatsoever simply send it back to us and we'll cheerfully refund you every cent. |
|
![]() |
Returns are easy, simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap! |
|
![]() |
In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down. |
|
![]() |
We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again. |
|
![]() |
Ordering from Shoptimized is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either. |
ProBlaster™ Complete Ultimate Triple Train Horn Package
Our biggest train horn kit! The HK9-Slimline has all the same features as the HK9 kit but includes a slim design 3-gallon air tank and not the larger 5-gallon tank. The slim design tank offers more mounting options on small and mid-size trucks and SUVs. The Demon™ Model 730’s massive and detachable XCR 2.0™ spun steel trumpets (18.25”, 14.75”, 10.5”) allow tons of installation options. Includes a fully submersible waterproof high output 150 psi, 100% duty compressor and tire inflation kit with storage bag.
The 730 can be upgraded by adding the Ultra BlastMaster™ valve upgrade (P/N 6890) – making it the loudest, largest and most aggressive train horn on the market.
Package Includes:
- The Demon™ Triple Train Horn
- VX6003 High Performance Air Valve
- 150 PSI Fully Submersible Waterproof Air Compressor
- 3-gallon Slim Design Air Tank – Made in USA
- Pressure switch & Brass Air Fittings
- 12 ft high pressure nylon air tubing & Horn Button
- 35′ tire inflation coil hose
- Wiring/Installation Kit
Estimated between and
Will usually ship within 1 business day.
![]() |
Please allow 10 days for your order to arrive. We source products from all over the world to bring you epic offers and the lowest prices. This means sometimes you have to wait a little longer to get your order but it's always worth it! |
|
![]() |
Returns are easy, simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap! |
![]() |
We Put Our Customers First to us. If it doesn't fit, it breaks, you've changed your mind or for no reason whatsoever simply send it back to us and we'll cheerfully refund you every cent. |
|
![]() |
Returns are easy, simply contact us for a returns number and send your item to our returns centre for fast processing. We'll get you a replacement or refund in a snap! |
|
![]() |
In the unlikely event that you find your item cheaper at another online store, just let us know and we'll beat the competitor's pricing hands-down. |
|
![]() |
We insist that you love everything you buy from us. If you're unhappy for any reason whatsoever, just let us know and we'll bend over backwards to make things right again. |
|
![]() |
Ordering from Shoptimized is 100% safe and secure so you can rest easy. Your personal details are never shared, sold or rented to anyone either. |