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Sales & Service Hours

Customer Service

  • Monday to Friday: 8am - 6pm EST
  • Saturday/Sunday: Closed


  • Monday to Saturday: 8am - midnight EST
  • Sunday: 9am - 10pm EST

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Flowmaster Mufflers

From mild to wild, RealTruck offers a Flowmaster muffler that's right for any truck. Famous for their throaty, aggressive tone, we understand if you have a sudden urge to rev your engine at every red light with one of these bad boys installed. Choose from a variety of sizes and configurations and get free shipping on all Flowmaster mufflers.

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If you have any questions selecting the Flowmastrer muffler that best suits your needs, call our customer loyalty team at 877-216-5446.