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MPC 4 Trumpet Train Air Horn Kit - Fits Almost Any Vehicle: Truck, Car, Jeep, SUV. Includes Four Chrome Trumpets with All-In-One Air System: 110 PSI, 12-Volt Air Compressor, Tank, & More. Complete Kit

4.5 4.5 out of 5 stars 487 ratings
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Amazon's Choice in Air Horns by MPC

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Purchase options and add-ons

Brand MPC
Item Dimensions LxWxH 17 x 15 x 9 inches
Style Classic
Voltage
12 Volts
Fit Type
Universal Fit
Vehicle Service Type
Passenger Car, SUV, Truck
Noise Level
105 dB

About this item

  • Chrome Quad Compact Air Horn (Dimensions: 13.75"L x 7"W x 7"H) w/ 12v Electronic Solenoid
  • All-in-one Air System w/ 110 PSI Compressor & 3 Liter Air Tank (Dimensions: 15.75" L x 5.25" W x 6.0" H)
  • Kit includes a pressure switch (85 PSI on/105 PSI off), 12 ft of 1/4" air line, push button switch. Wiring kit: 12 feet of 10 gauge power wire, 15 feet of 20 gauge power wire, 20 amp fuse and fuse holder, Assorted crimps and wire connectors, Zip ties.
  • *The compressor in this kit MUST be installed in a clean and dry location. Failure to do so will void the product's warranty.
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MPC 4 Trumpet Train Air Horn Kit - Fits Almost Any Vehicle: Truck, Car, Jeep, SUV. Includes Four Chrome Trumpets with All-In-One Air System: 110 PSI, 12-Volt Air Compressor, Tank, & More. Complete Kit
MPC 4 Trumpet Train Air Horn Kit - Fits Almost Any Vehicle: Truck, Car, Jeep, SUV. Includes Four Chrome Trumpets with All-In-One Air System: 110 PSI, 12-Volt Air Compressor, Tank, & More. Complete Kit
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Price$179.95$99.99-7% $129.99
List:$139.99
$139.99$169.99$49.99
Delivery
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Get it as soon as Sunday, Mar 31
Customer Ratings
Noise level
4.6
3.7
3.7
3.7
4.3
4.0
Value for money
4.2
3.8
4.2
3.8
4.5
4.6
Easy to install
3.9
3.8
3.0
3.8
4.0
4.2
Sold By
MPC Remote Starter
ZHONGYU MOTOR
MKING DIRECT
ZHONGYU MOTOR
WINGS Store
DriSentri Direct
compatible vehicles
Truck, Passenger Car, SUV
Passenger Car, Motorcycle, Van, Truck, SUV
Truck
Passenger Car, Truck
Passenger Car, Trailer, Truck, SUV
Passenger Car, Watercraft, Motorcycle, Truck, SUV
noise level
105 decibels
150 decibels
150 decibels
118 decibels
150 decibels
185 decibels
style
Classic
Train Horns kit
Classic
Train Horns kit
Thermal,Protection
Classic
voltage
12 volts
12 volts
12 volts
12 volts
12 volts of direct current
12 volts
material
Metal, Stainless Steel
Metal, Zinc
Stainless Steel, Brass
Metal
Zinc Alloy
fit type
Universal Fit
Universal Fit
Universal Fit
Universal Fit
Universal Fit
Universal Fit

Product Description

Need to make a big noise, but only have a little room? These train horns can fit in almost any vehicle, but deliver the big sound you need. Don't be fooled by their size . . . they may be small but they pack a punch that can rival any air horn out there. Easy to fit, glistening chrome finishing and tuned train horn sound; these horns are the complete package. Our specialized compressor kits will make you horns really sing. All of our compressor systems come complete with a 12 volt compressor, air tank, pressure switch and mounting hardware. These compressor kits are built for performance and easy installation.

Product information

Technical Details

Additional Information

Warranty & Support

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Product Warranty: For warranty information about this product, please click here

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MPC

MPC 4 Trumpet Train Air Horn Kit - Fits Almost Any Vehicle: Truck, Car, Jeep, SUV. Includes Four Chrome Trumpets with All-In-One Air System: 110 PSI, 12-Volt Air Compressor, Tank, & More. Complete Kit


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What's in the box

  • Air Horn Trumpets and All in one air system
  • Looking for specific info?

    Customer reviews

    4.5 out of 5 stars
    4.5 out of 5
    487 global ratings

    Customers say

    Customers like the sound quality, ease of installation, and value of the vehicle horn. For example, they mention it's super loud, has a nice lowtone, and is easy to wire. Some appreciate the detailed instructions. That said, opinions are mixed on the compressor, quality, and size.

    AI-generated from the text of customer reviews

    94 customers mention67 positive27 negative

    Customers like the sound quality of the vehicle horn. They mention that it's super loud, has a nice lowtone, and holds pressure.

    "...The attached video really doesn't do it justice, this train horn kit is surprisingly loud.----Pros----*Very high quality*..." Read more

    "...After install, it definitely does sound like Amtrak. And is loud. Install is not hard providing you have basic 12v knowledge. Advise...." Read more

    "A very loud horn, probably 3x as loud as the factory OEM horn on my 2020 Tacoma!..." Read more

    "...when not using vehicle would be 5 star with loudness but instructions are bad super loud if you have a good friend who knows what he’s doing costed..." Read more

    33 customers mention25 positive8 negative

    Customers find the installation of the vehicle horn to be easy. They mention that the wiring was easy, the mount was easy and that the instructions were very detailed. Some say that the product is of high quality and easy to use.

    "...components assembled into a kit paired with very detailed instructions for wiring everything together...." Read more

    "...And is loud. Install is not hard providing you have basic 12v knowledge. Advise. Look over instructions...." Read more

    "...Installation was simple, but time consuming..." Read more

    "...Pros: Super Loud. Great value.Cons: A little bit more difficult to install then I thought...." Read more

    27 customers mention24 positive3 negative

    Customers like the value of the vehicle horn. They say it's perfect for the money, great budget horns, and absolutely worth the purchase.

    "...----Pros----*Very high quality*Awesome price*Includes everything necessary*Loud, will definitely get results*..." Read more

    "...Pros: Super Loud. Great value.Cons: A little bit more difficult to install then I thought...." Read more

    "...em with the "Train Horn" and watch what happens, well worth the price of admission!!!!!!" Read more

    "...I'm happy with the price and purchase. Hope it is durable and lasts. I use it every day!" Read more

    46 customers mention29 positive17 negative

    Customers have mixed opinions about the air compressor. Some mention that it works well, while others say that it stopped working.

    "...It comes with a compressor & tank plus the horns and wiring, air line, and miscellaneous crimp connectors making it a complete kit that just needs..." Read more

    "...Negative off horn solenoid went to switch at dash. Works well. It eliminated extra wire running with same results...." Read more

    "...I had had enough with this crappy solenoid so I decided to upgrade to a solenoid that could withstand a higher pressure...." Read more

    "...But now, it works perfectly! It’s super loud, holds pressure, and makes me happy...." Read more

    43 customers mention29 positive14 negative

    Customers have mixed opinions about the quality of the vehicle horn. Some mention that it looks like a high quality kit and sounds great, while others say that it already ruptured. The supplied bracket broke while driving down the freeway, and the bolt had split.

    "...----Pros----*Very high quality*Awesome price*Includes everything necessary*Loud, will definitely get results*..." Read more

    "...I'm happy with the price and purchase. Hope it is durable and lasts. I use it every day!" Read more

    "...Had mine hooked up for an hour and already ruptured. Don't even waist your time using it...." Read more

    "...My air line hasn't broke like others said it would. Overall fun project and a great price." Read more

    13 customers mention8 positive5 negative

    Customers are mixed about the size of the vehicle horn. Some mention that it fits well in cramped cars, is relatively quiet, and very compact. However, others say that the air tank supply is too small and would not fit under the hood of their 5th gen 4Runner.

    "...I installed on a 17 titan. Comp fits nice under back set. I put horns in,on bed wall pointing down for inner horn dryness...." Read more

    "...It would not fit under the hood of my 5th gen 4Runner. But that’s no big deal." Read more

    "...I also got the larger tubing for the Air. Fit nicely onto the horn but I had to shave it down with a razor blade and use lube to the get it through..." Read more

    "Kit is very compact which is nice. Install was extremely easy. The bolts supplied seem very cheap...." Read more

    7 customers mention4 positive3 negative

    Customers have mixed opinions about the pressure of the vehicle horn. Some mention that it holds air great, while others say that it doesn't run properly and the air tank doesn''t hold air.

    "...But now, it works perfectly! It’s super loud, holds pressure, and makes me happy...." Read more

    "...up the compressor and the compressor does not run properly not pumping air into the tank. I am very dissapointed with this product...." Read more

    "...No air leaks and the air tank doesn't drop pressure at all. I'm very pleased with how loud these horns are...." Read more

    "...look and I noticed a bolt had split and was leaking air, now it won't even hold air. I tried contacting MPC and Amazon but couldn't get a response...." Read more

    10 customers mention0 positive10 negative

    Customers are dissatisfied with the leakage of the vehicle horn. They mention that the air leaking, the pressure gauge leaks constantly, and every fitting on the compressor and tank was leaking.

    "...Well, after a more thorough investigation the leak was coming from the solenoid that is attached to the trumpet horns...." Read more

    "...the set are all put together with teflon tape but I found that they were leaking...." Read more

    "...wrong was the line from the compressor to the tank was too short and leaked, simple replacement and it was good to go!..." Read more

    "...seems best to change the Teflon tape and the air hose they tend to leak from the factory. Causing the air compressor to kick on frequently" Read more

    A Great Blast for the Buck!
    5 Stars
    A Great Blast for the Buck!
    A very loud horn, probably 3x as loud as the factory OEM horn on my 2020 Tacoma! Installation was simple, but time consuming (finding the right mounting spot, running the electrical and airline properly through the firewall, etc... I like a professional look). Easily a two-day, do-it-yourself project, if you are as particular as I am about a clean and OEM-looking install.Just a thought... I purchased the chrome bugles rather than black, and ended up painting them black anyway. Chrome was very visible through the front grill (where I chose to mount them) and I wanted them mostly unseen.I added rubber stick-on feet to the legs of the compressor, and it greatly reduced the in-cab noise of the compressor pump when it runs (my "perfect place" for the compressor was the storage area behind my rear seats).I needed to rotate the position of the airline-out fitting on top of the compressor, and broke it trying to remove it. MPC tech-support had a new fitting to me, free-of-charge and free shipping, in just three days!As an added touch, I purchased an OEM Reproduction horn button to install in one of the blanks, in my Tacoma switch panel.Great purchase! Satisfied customer here!
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    Top reviews from the United States

    Reviewed in the United States on December 24, 2018
    18 people found this helpful
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    Reviewed in the United States on February 8, 2018
    3 people found this helpful
    Report
    Reviewed in the United States on June 12, 2021
    Customer image
    5.0 out of 5 stars A Great Blast for the Buck!
    Reviewed in the United States on June 12, 2021
    A very loud horn, probably 3x as loud as the factory OEM horn on my 2020 Tacoma! Installation was simple, but time consuming (finding the right mounting spot, running the electrical and airline properly through the firewall, etc... I like a professional look). Easily a two-day, do-it-yourself project, if you are as particular as I am about a clean and OEM-looking install.

    Just a thought... I purchased the chrome bugles rather than black, and ended up painting them black anyway. Chrome was very visible through the front grill (where I chose to mount them) and I wanted them mostly unseen.

    I added rubber stick-on feet to the legs of the compressor, and it greatly reduced the in-cab noise of the compressor pump when it runs (my "perfect place" for the compressor was the storage area behind my rear seats).

    I needed to rotate the position of the airline-out fitting on top of the compressor, and broke it trying to remove it. MPC tech-support had a new fitting to me, free-of-charge and free shipping, in just three days!

    As an added touch, I purchased an OEM Reproduction horn button to install in one of the blanks, in my Tacoma switch panel.

    Great purchase! Satisfied customer here!
    Images in this review
    Customer image
    Customer image
    6 people found this helpful
    Report
    Reviewed in the United States on July 18, 2023
    3 people found this helpful
    Report
    Reviewed in the United States on January 6, 2018
    Customer image
    5.0 out of 5 stars Loud. Not easy to install, but worth it if you want it.
    Reviewed in the United States on January 6, 2018
    BAD ASS.

    Pros: Super Loud. Great value.
    Cons: A little bit more difficult to install then I thought. Since I had no room in the engine compartment, I had to mount it under the truck. Since I did not have the tools to do this (a lift, high-powered drills, self drilling screws, body clips for the frame to run the wires and tubing to the compressor, etc, etc) I had to have it professionally installed which cost me the same amount as it did to buy it. You may not have this issue, but it is something to consider when you are drunk and buying stupid things like this on Amazon!
    **I also got the larger tubing for the Air. Fit nicely onto the horn but I had to shave it down with a razor blade and use lube to the get it through the screw-down on the compressor itself.
    ***Install at a slight degree facing downward if you mount it under the car, and keep it away from wheel spit. They do say it is ok to get wet and even recommended washing it out every now and then.
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    63 people found this helpful
    Report

    Top reviews from other countries

    Translate all reviews to English
    kevin litwiller
    5.0 out of 5 stars Great sound , been working flawlessly so far
    Reviewed in Canada on February 7, 2022
    One person found this helpful
    Report
    Pedro i
    5.0 out of 5 stars Que en verdad quieras llamar la atención en tu camioneta
    Reviewed in Mexico on January 12, 2022
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    Pedro i
    5.0 out of 5 stars Que en verdad quieras llamar la atención en tu camioneta
    Reviewed in Mexico on January 12, 2022
    Hagan de cuenta que suenan como un verdadera maquina de tren
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    Kenny Travis
    5.0 out of 5 stars This is loud
    Reviewed in Canada on October 26, 2018
    Sergio Sanchez
    5.0 out of 5 stars Noisy train horn
    Reviewed in Mexico on May 3, 2017
    3 people found this helpful
    Report
    Sean
    4.0 out of 5 stars Small tank, small compressor, nice loud horns!!
    Reviewed in Canada on November 20, 2018
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    Sean
    4.0 out of 5 stars Small tank, small compressor, nice loud horns!!
    Reviewed in Canada on November 20, 2018
    I bought a Siberian Express setup before this- that was HUGE, large tank, large compressor. Too big even for a heavy duty pickup, returned and got this. The horns are smaller than that other set, but will fit behind the grill (or under on the frame). The tank is only 3L, good for 5 good blasts before the pump kicks back on. It is a good low horn sound, not as loud as that Siberian Express, but considering the trade off for space, acceptable. Tank and compressor are 1 unit, put in bed of truck, needs to be dry. Hose is 1/4", needs to be larger I think. Trying to find fittings (brass of course) for the larger hose. I ran a 10 gauge line, off a 25A fuse (upfitter switch on the F250 was 25A), line does not get hot so that is plenty of wire. Added my own lit switch to the dash to operate.

    recommended
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    16 people found this helpful
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