We're going to use these to ground the two horns together, and then we may need a little extender one for the positive on one side just because the factory wiring's a little short. Just simply took some spade terminals—crimped them on some 18 ga

Hella Supertones horns are extremely popular in the Subaru community, and I had some on my STI before I sold it, so I was familiar with the install. I'm not sure if anyone else on here has them or not. These are 118 dB horns that replace your stock ho