http://www.zenclosures.com/2015-Mustang-Subwoofer-Box-p/mustang15t1rfhalfbox.htm
Picked one of these boxes, than added
Jl Audio Jx500/1d Mono Subwoofer Amplifier - 500 Watts RMS X 1 At 2 Ohms
JL Audio 10W3v3-4 10" Single 4 ohm W3v3 Series Subwoofer 10W3v3
makes the premium...
The day I got her, stock Premium GT A6 with 3.15 gears. I sold my 2001 Mustang GT and traded in my 2011 GT for this.
After 35% tint
Trying out my old RTR wheels to see how it would look
Then decided it needed 20's, I love the UPS man.
At Discount Tire :D
was on the car less than a month, will slip on to factory cats, but the end towards the mufflers WILL NEED TO BE WELD ON!
$75 shipped obo
bought it new from CJ pony parts...