These new horn kits are made with forged billet alluminum 110 dB. will get the attention of almost anyone Plug in directly to exsisting horn wiring, no need to cut and splice Compliments the Arlen Ness Inverted Series air cleaner kits Great finishing piece to match the rest of your Arlen Ness Beveled chrome accessories Made from aluminum and Stainless Steel to insure durability Very low profile to give the maximum leg clearance