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Flowmaster 50 Series Big Block Muffler - 530513

Flowmaster Exhaust | Part Number: FLW530513


  • Type of Muffler: Chambered
  • Inlet Location: Centered
  • Fitment: Universal Fit
  • Material: Aluminized Steel
  • Tube Size (Inlet/Outlet): 3 Inches/3.5 Inches
  • Outlet Location: Centered


  • 50 Series Big Block Muffler
  • Aluminized Steel


Our largest and quietest muffler, the 50 Series Big Block Mufflers is made for tow vehicles, full-size trucks, large SUVs and RVs / Motor Homes. More than just compatible with big cubic inch engine applications, the 50 Series Big Block incorporates a very large Resonance Tuning Chamber to almost completely reduce interior sound in large cab vehicles and enough case volume to handle engines under heavy loads - perfect for tow vehicles. Significant improvements in mileage, torque, and horsepower are to be expected from this muffler, as well as decreased engine heat and wear.


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For over 30 years, Flowmaster has been producing exhaust products to combat noise issues that first cropped up on race tracks in California. The question was how to reduce sound without compromising performance? Advanced engineering and ample testing set Flowmaster's product line apart from competitors and a few of their more noteworthy parts include chambered mufflers, laminar flow designs and high flow catalytic converters. We carry Jeep exhaust pipes, exhaust flanges and complete exhaust systems among other Flowmaster products. The company's patented technologies, innovative designs and focus on performance keep Flowmaster at the forefront of aftermarket exhaust manufacturers. Shop Flowmaster Exhaust Now