Fat Pipe Lt500 87-90 020089Gold Series Fatty PipeAll Gold Series pipes are computer designed and dyno tested to focus power gains where each machine needs them most Every pipe goes through the Tru Flo stamping process to ensure quality performance and optimum fit Computer designed and dyno tested to make power gains where each machine needs them the most Constructed of strong 19 gauge steel with a nickel plated finish NOTE: Will not pass 2025 FIM sound regulation