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  FAQ's: MagnaFlow's Frequently Asked Questions FAQ's

Question: Do muffler’s have an initial break in period?

Answer: Muffler’s have an initial break-in period of a few hundred miles to which they will become slightly louder and deeper in tone.

Exhaust systems will temporarily expel white smoke and emit a slight odor from the thermal grease used during the pipe bending process being burned off.

Additional Information On MagnaFlow Performance Mufflers:

  • Stainless Steel Mufflers with Tips
  • Universal-Fit Mufflers
  • Preferred Pro-Installer
  • Wide Open Performance



  • If you didn't find the answers you needed on this page, please send your questions to us at: muffler@magnaflow.com, or call our Tech Line @ (800) 817-3930 and one of our MagnaFlow tech staff will help you.




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