Packing Material: Included for muffler maintenance
Hardware for Road Mufflers: Marson Rivets and Torx Bolts
O-Rings: 2 pieces for secure fit
Tools for Repacking: #30 Drill Bit and Torx Wrench
Measurement is taken from outer sleeve of the muffler. Includes screws, T20 Torx wrench, O-rings and repacking material. Kit is for all Two Brothers Racing mufflers