TRD sound changer
 

Please search about it.
it simply makes your FRS /BRZ sound louder.
I am taking either Red or Green tube.
So, you will take Blue, and the other tube.
Let me know which you prefer.

$40 PayPal only.
Includes USPS shipping to continental US / Canada.

if you will include the red plus the other one ill take it
let me know