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About Mac 4in. Slip-Ons

Mac 4in. Slip-Ons

  • 4in. diameter muffler bodies
  • Provide gains of up to 47% cfm airflow increase compared to the stock mufflers
  • Maintain the stock ground clearance throughout the entire length of the muffler bodies
  • Weigh 4 lb. less than stock
  • High luster chrome or black ceramic finish available
  • Sold in pairs
  • Will not work with OEM or aftermarket extended saddlebags.
  • Made in the U. S. A.

Warning:  California Proposition 65

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