Wiring, brackets & adapters
Components
Everything you need around the horn — harnesses, relays and mounting hardware, all tested with our kits.
99% Fit Multi-Function Plug
One universal adapter that plug-and-plays into 99% of modern vehicles — no splicing, no crimping.
40A Relay Harness
Weatherproof harness with 40A relay and in-line fuse — required for the dual-trumpet kit.
Vehicle-Specific Mounting Bracket
Model-specific heavy-duty iron brackets for car & motorcycle horn upgrades — unshakeable.
Dedicated Dual-Horn Harness (1-to-2)
Splits one OEM horn signal to drive a dual-tone pair — pre-terminated, factory-crimped.