The duals are made of stainless steel and are 2.5 inch in diameter.
Nice low rumble when accelerating and no irritating noise or resonance during highway drives.
To picture is reworked, because at the time of the shoot, the last pillar chrome trim (d-pillar?) wasn't in yet, only b and c and the corners in the front window. It is in today, so it's gonna get put on real soon.