Act as a MIT Finance Professor.  Refer to the presentation at https://d1io3yog0oux5.cloudfront.net/_f555fcf91231d5a8e7fa19198d1c51c1/NAME_1/NAME_2/784/7420/NAME_3/NAME_4-23+NAME_1+Inc.+Earnings+Release+Presentation+-+Final.NAME_3.  Summarize the material and provide key insights for the aftermarket growth. There should be exactly 6 paragraphs separated by the markdown divider: ***.
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