Dual Quiet PAK Exhaust System Type 2 & 411 72-75
This black dual muffler system has chrome tips and 2 pipes on either side for connecting to your bus or 411 exhaust.
The 2 pipe flange is a 3 bolt pattern, 1 to the left, 1 on top center, and 1 to the right.
Called the 2 tip GT exhaust system.