Upgrade Kit

The Kleinn Model 6890 Ultra BlastMaster Valve Upgrade Kit is specifically engineered for the Model 730 Demon triple train horn system to dramatically increase air flow and push your horn to unheard-of decibel levels. This high-performance kit provides everything needed to integrate an additional two VX6003 solenoid valves into your existing 730 Demon setup, giving each individual horn trumpet its own dedicated air source for maximum pneumatic efficiency. The comprehensive package also includes a heavy-duty 4-way splitter and premium 1/2" OD airline tubing with matching fittings, ensuring each horn receives an increased volume of air to maximize sonic output and deliver an earth-shattering blast.

Additional Information

Kleinn Model 6890 - Blastmaster Upgrade Kit - For Model 730 Demon Triple Train Horns

Part Type

Air Horn Control Valve

• 1/2" Airline included
• Adds Two high performance VX6003 valves to the valve included with 730 horns
• Each horn gets it's own dedicated 1/2" OD Air Line
• Fittings included

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Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information

Air Compressor Safety Valves, Ultra BlastMaster Demon 730 Horn Solenoid Valve Upgrade, Kit

Kleinn Ultra BlastMaster air valve upgrade kits will increase airflow and push your train horn to unheard of decibel levels. The kits provide everything you need to add an additional two VX6003 solenoid valves to your Model 730 Demon train horns. Let Ultra Blastmaster push your Demon horn over the edge!