D&D Exhaust 578Z-31BQ Black Bob Cat 2 into 1 Exhaust for 1984-2017 Softail Models
2:1 Bobcat exhaust system is a stepped header system at the head is 1 5/8″ to 1 3/4″ to 1 7/8″ at collector and 2 1/2″ where the muffler goes to the header. Mufflers have a nice medium toned perforated wrapped baffle. All Bobcat full systems are equipped with heat shields, exhaust gaskets, bolt kit and baffles. Each exhaust system is designed and dyno tested at their facilities. Every pipe is designed to increase low-end torque and horsepower. The Bobcat 2:1 exhaust is for bikes that have 96″ to 113″ motors. Choose your muffler housing finish from aluminum, black satin or carbon.
It also comes with both 18mm and 12mm O2 bungs so it can be used with an auto tune module such as the Thundermax Auto Tune.