Use this write up, I've done two stangs this way. You can just use an amp that has the line converter built in
The frist one, I went from the factory sub amp, the secod one, I went from the right rear speaker, much easier, but the first way is better 2012 Mustang Shaker 500 Add A Sub Install - www.Evilcartman.com
2012 GT Premuim A/T Sterling Gray, Loaded, Tinted, Steeda 93 Tune, JLT Oil catch can, 12" MTX Sub, CHE LCA's, GT500's, Boss/CS Lower Fascia W/foglights.
2011 V6 M/T traded for 2012 GT
2007 GT M/T traded for CRV
Last edited by Nibis; 05-02-2013 at 07:24 PM.