Product Description :
Boarzilla 2:1 Full System
2:1 Boarzilla is a stepped header system at the head is 1 7/8" to 2" at collector and 2 1/2" where the muffler goes to the header.
All Boarzillas full systems are equipped with heat shields,exhaust gaskets, bolt kit and baffles.
Each exhaust system is designed and dyno tested in our facilities.
Every pipe is designed to increase low-end torque and horsepower
Performance increases are about 8 to 10 percent on stock motors but may very with built motors with the proper tune on the bike.