Give Justin a call,he made me a Custom Dual 3" SS exhaust system with V-Band Clamps,Custom hangers for my old LS2 Mazda RX-7.
Here's the Link to his Website,He about 45min from San Francisco.
http://www.sambergperformancefabrication.com/
Here's a few photos of my old car.
Click on link!
http://www.hubgarage.com/mygarage/ju.../vehicles/2936