[TX RN]

I had both installed at the same time. If I had to make a choice, I would have done the TRD dual exhaust first. You will hear a sweet sound when you turn the key. I've had the system on for about 4 months now and I still love to hear the sound.

Borla is another option for you. It is a little less expensive and has dual rear exit. The TRD exits behind the rear tires. Borla makes the TRD dual exhaust.

Last suggestion...There are many of us who have retained the stock muffler and exhaust pipe after our dual exhaust install. You could aquire a stock set up and have a muffler shop make you a custom "OEM" exhaust system.