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If you left a message in our warranty hotline voicemail box, please state so in your warranty issue description. Our customer service department will contact you.

Written proof of purchase will be required to process your request after we have contacted you.

Where do I find my part number?

On your instruction sheet, on the inlet of the muffler body, on the back of the mounting bracket that is welded to the muffler body, on the collector of the headpipe, or on the s-bend (connector pipe).