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Kleinn Air Horns

Kleinn 21-24 Dodge Ram 1500 TRX Onboard Air System 1500 TRX

$1,299.94 $999.95 Save $299.99

SKU: K00Y TRX21-OBA

In Stock
In Stock
Ships by Jun 9
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The Kleinn Air Horns TRX21-OBA is a direct-fit onboard air system for the 2021-2024 RAM TRX. It is compatible with Amp Research PowerStep Series. This system is available with either the Model 230 Beast™ Triple Train Horn (153.3 dB) or the Model 730 Demon™ Triple Train Horn (157.8 dB), or as an onboard air only version. It features a fully submersible waterproof air compressor (6350RC for Beast system, 6450RC for Demon system), a digital tire inflator, and a 160 PSI panel-mounted gauge with an ON/OFF rocker switch. The system is designed for bolt-on installation.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandKleinn Air Horns
Part NumberK00Y TRX21-OBA

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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