Best High Flow Mufflers

Flowmaster 12599-FM FlowMonster Muffler Absorption Style 3 in. Dual Inlet/3 in. Dual Outlet 5 in. x 11 in. Oval Case Straight Through 409 Stainless Steel FlowMonster Muffler

  • A stainless steel performance muffler at an economical price.
  • 409 Stainless Steel construction for superior corrosion resistance and good looks.
  • Interior construction features high-temp interior sound absorption material delivering a deeper, mellow exhaust tone.
  • Perforated High-Flow straight-through tube design for increased exhaust flow.
  • Moderate increase in interior tone over most OE mufflers.
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Dynomax 53068 Exhaust Tail Pipe

  • IMPROVED FLOW CAPACITY -- Mandrel bends (where applicable) improve flow capacity over traditional bends while increased pipe diameter from OE sizes....
  • DESIGNED TO PERFORM -- Fixture checked to ensure a precise fit for quick and easy installation.
  • AVAILABLE IN DIFFERENT SIZES -- Offered in a variety of styles and sizes for a quality vehicle repair.
  • PREMIUM MATERIALS -- Made from aluminized steel for durability and long life.
  • BETTER TOGETHER -- Use premium DynoMax accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system....
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DNA Motoring CBE-FM99-37L 2.5

  • Made of high quality T-304 Stainless Steel with computerized mandrel-bends for strength and durability.
  • Aluminized finish for increased durability and inhibits rust.
  • 2.5" OD mm inlet/ 2.5" OD mm main piping.
  • Aggressive deep and smooth tone sound while ensures smooth exhaust gas flow.
  • Easy to install and adjustable fit slip fit joints.
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Pair of Single Chamber Performance Race Muffler 3" Center / Center Universal Steel Muffler (3 Inch)

  • ▲ A pair of single chamber performance race mufflers..
  • ▲ 7 inches (about 17.8 cm) muffler body height, 3 inches (about 7.6 cm) muffler inlet diameter..
  • ▲ The chamber muffler is designed to create deep throat swelling and muffle exhaust noise..
  • ▲ The directional cabin is designed with aerodynamic flow to provide real racing performance and intense sound!.
  • ▲ High quality aluminized steel provides superior durability for any high performance and competition needs..
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4 Inches Rolled Muffler Tip Catback Exhaust System Compatible with Silverado Sierra 1500 Crew/Extended Cab Short Bed 07-13

  • IMPROVED FLOW CAPACITY -- Mandrel bends (where applicable) improve flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power.
  • DESIGNED TO PERFORM -- Fixture checked to ensure a precise fit for quick and easy installation.
  • AVAILABLE IN DIFFERENT SIZES -- Offered in a variety of styles and sizes for a quality vehicle repair.
  • PREMIUM MATERIALS -- Made from stainless steel for durability and long life.
  • BETTER TOGETHER -- Use premium DynoMax accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade.
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Dynomax Ultra Flo 17223 Exhaust Muffler

  • PREMIUM ACOUSTIC CONTROL — Exclusive Continuous Roving Fiberglass (CRF) technology absorbs unwanted interior resonance while maintaining a deep performance tone.
  • SUPERIOR PERFORMANCE — Straight-through design ensures unrestricted exhaust flow and reduces back pressure.
  • ENGINEERED TO LAST — Stainless-steel construction with a micro-finish for lifelong protection and 100% welded design for maximum durability.
  • FLEXIBLE SOLUTION — Customizable design offered in a variety of styles and sizes for universal fitment (may require specialized fabrication and/or welding).
  • SPECS — Available in a variety of body diameters.
  • 2-in. to 4-in. inlet/outlet configurations.
  • see product specifications for more information.
  • PERFORMANCE UPGRADE — Use premium DynoMax accessories when installing Ultra Flo Welded mufflers for a complete exhaust system upgrade.
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NEW FLOWMASTER SUPER 44 SERIES CHAMBERED MUFFLER,3" CENTER INLET & OUTLET,BLACK

  • Brand New Flowmaster Super 44 Series Chambered Muffler, 3" Center Inlet & Outlet, Black (Holley Part #943045).
  • Flowmaster Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing 4" case street muffler we have ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability..
  • Features: Deep Aggressive Sound Exhaust Note | Noticeable interior resonance | Recent 2 chamber improvement | Race proven Delta Flow technology.
  • NOTE: Universal Muffler - Not a direct fit. Some adaptation required..
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Vance & Hines Straight Billet End Cap for Big Shot Exhaust - Chrome

  • Polished End Cap For Supertrapp Mufflers.
  • Allows You To Open Up Your Exhaust For Straight-Through Flow By Simply Turning A Screw.
  • Slight power gains when used on modified motors.
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Borla 140496 Cat-Back Exhaust System

  • Full stainless steel exhaust for maximum durability and corrosion resistance.
  • Custom mufflers tuned to generate the highest quality exhaust tone possible.
  • Straight through exhaust system to maximize exhaust flow and minimize backpressure to boost performance.
  • Full system is back up by a million mile warranty. 2.50inches diameter front pipe, 2.00inches diameter split-rea pipes.
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