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Best Free flowing Mufflers

Speedway 2.25" Mild Steel DIY Custom Mandrel Exhaust Pipe Bend Kit w/Mufflers

  • Premium 16-gauge steel construction of both tubing and mufflers to provide long lasting performance.
  • Each tube is expanded on one end to allow easy slip fit installation.
  • 2-1/4" mandrel bent tubing is full size throughout the bend for maximum flow and increased power.
  • Two chamber mufflers with twin baffles to reduce drone and interior noise while maintaining a deep powerful tone.
  • Mufflers are offset inlet and center outlet configuration to fit a variety of muscle car and hot rod applications.
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Dynomax 17340 Exhaust System

  • Large internal flow tubes improve exhaust flow and reduce backpressure.
  • Exclusive patented flow director design channels exhaust flow and eliminates turbulence.
  • Fiberglass matting technology to absorb unwanted interior resonance while maintaining a mellow performance tone.
  • The "Pure Unadulterated POWER" of DynoMax Super Turbo mufflers are backed by a Limited Lifetime Warranty and exclusive 90-Day Performance & Sound Guarantee..
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Dynomax Super Turbo 17629 Exhaust Muffler

  • PREMIUM ACOUSTIC CONTROL -- Fiberglass matting absorbs unwanted interior resonance while maintaining a mellow performance tone.
  • PRECISION DESIGN -- Exclusive flow director technology channels exhaust flow and reduces turbulence on most applications.
  • PREMIUM PERFORMANCE -- Large flow tubes improve exhaust flow and reduce backpressure.
  • ENGINEERED TO LAST -- 100% stainless-steel construction delivers longer life versus aluminized mufflers while an internal drainage system reduces....
  • FLEXIBLE SOLUTION -- Customizable design offered in a variety of styles and sizes for universal fitment (may require specialized fabrication and/or....
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Dynomax 43661 Exhaust 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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Truck Exhaust Kits - Shop Line Dual Exhaust Sytem 2.5 inch Aluminized Pipe Cherry Bomb Extreme Muffler Chrome Tips

  • Cherry Bomb Extreme mufflers feature a unique wing plate design that emphasizes exhaust flow over sound control. These 100 percent welded mufflers are constructed from aluminized steel and finished with a high, temperature red coating for durability..
  • High Quiality 2.5 Mandrel Bent Aluminized Tail Pipes.
  • Disclaimer This product does not interfere with any portion of the vehicles emissions control systems. The intent of the product is to retain all emissions control devices and their intended purpose on the vehicle. This product is in compliance with the Clean Air Act in full..
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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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BadlanzHPE Dual Cutout Custom Ypipe Accessory, 3.0 INCH

  • SIGNATURE MAGNAFLOW SOUND - The 4" x 4" Round body of muffler 14419 is engineered to deliver the deep, resonating sound that MagnaFlow mufflers are famous for..
  • DYNO-PROVEN PERFORMANCE - Extensive dyno testing is used to ensure that this 4" x 4" Round muffler increases engine power and performance by improving the flow dynamics and evacuation of exhaust gases..
  • OPTIMAL ARCHITECTURE & CONSTRUCTION - The internal architecture of this muffler features a straight-through perforated core with two-stage acoustic packing which maintains the velocity of exhaust flow while generating a smooth, deep exhaust tone. Proudly made in the USA..
  • UNIVERSAL FITMENT - 14419’s universal design enables custom muffler placement and orientation to meet the particular spacing and mechanical requirements of your vehicle. Professional installation is highly recommended..
  • LIMITED LIFETIME CONSTRUCTION WARRANTY - Performance that lasts. Enjoy worry-free ownership knowing that you're backed by MagnaFlow’s limited lifetime construction warranty..
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BRAND NEW FLOWMASTER OUTLAW CAT-BACK EXHAUST SYSTEM,3

  • Brand New Flowmaster Outlaw Cat-Back Exhaust System, 3" Stainless Steel Pipes, Dual Out Rear, Compatible with 2015-2017 Mustang GT 5.0L Coupe (Holley Part #817734).
  • Flowmaster Outlaw Cat-back exhaust system is perfect for the person looking for a deep & very aggressive sound level inside & outside the car. This bolt-on emissions-legal system features our exclusive dual 3" Scavenger Series X-pipe for maximum power & a deep unique sound..
  • The stainless steel X-pipe flows into a pair of our race proven Outlaw Series mufflers & exits into dual mandrel-bent 3" stainless steel tailpipes which are finished off with large 4" polished stainless steel tips. The system is designed for an easy fit & includes all necessary parts & hardware for an easy install..
  • Features: Includes our Exclusive Scavenger Series X-pipe | Very Aggressive Interior & Exterior Sound | Uses the Factory Hanger Locations | Dyno Tuned For Maximum Power | Race-proven Outlaw Mufflers | Stainless Steel Construction.
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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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Vance & Hines Eliminator 300 Slip On Mufflers Chrome 16716

  • Fishtail slip ons for Harley-Davidson Softail 2007-2017 dual exhaust system. Including Fatboy Springer Heritage Classic Breakout Night Train Cross Bones Heritage Softail.
  • 39" Fishtail Exhaust is straight, free-flowing pipe. Look great, provide a classic dual-exit look while increasing performance.
  • Very distinct sound from fishtails, sound deep and throaty, but not obnoxious noise, you will not be disappointed with the sound.
  • Easy to install, direct replacement. No installation instructions. Slip-on Mufflers, just need loosen the bolts, get the old ones off and get these new on.
  • A very good option if you're after the looks of fishtail exhaust without having to fork over several hundreds of dollars. 1 Year Manufacturer Defect Warranty.
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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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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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