This is the Du-Bro R/C Bolt-On Pressure Fitting.
FEATURES: Brass pressure fitting. Brass nut. Fiber washer. Easily mounts anywhere on the muffler by drilling a hole and bolting it or taping a smaller hole. Tapping instructions provided.
INCLUDES: (1) Bolt-On Pressure Fitting
REQUIRES: #36 Drill #28 Drill