S&S Exhaust Tamper Proof Kit For Harley The S&S Exhaust Tamper Proof Kit includes the hardware and tool needed to service compatible exhaust systems or replace end caps. It comes with tamper-proof screws and an S&S proprietary screw bit made for the job. Features: Everything needed to perform a required exhaust system service or end cap replacement Kit includes tamper-proof screws and S&S proprietary tamper-proof screw bit