Best Free flowing Mufflers

Walker Exhaust Quiet-Flow SS 21421 Direct Fit Exhaust Muffler

  • CORROSION RESISTANT STAINLESS STEEL — The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection.
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding.
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life.
  • PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes.
  • DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on.
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Walker Exhaust Quiet-Flow SS 21558 Direct Fit Exhaust Muffler

  • CORROSION RESISTANT STAINLESS STEEL — The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection.
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding.
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life.
  • PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes.
  • DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on.
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Walker Exhaust Quiet-Flow SS 21528 Direct Fit Exhaust Muffler

  • CORROSION RESISTANT STAINLESS STEEL — The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection.
  • EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding.
  • BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life.
  • PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes.
  • DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on.
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DNA MOTORING CBE-CCOL04-28L Stainless Steel Cat Back Exhaust System [Compatible with 04-12 Chevy Colorado]

  • 【FITMENT】Compatible with 04-12 Chevy Colorado.
  • 【Quality Construction】Made of high quality t-409 Stainless Steel with computerized mandrel-bends for strength and durability. TIG welded CNC machine flange for resistance against pressure and corrosion..
  • 【Enhance Performence】Dyno proven to instantly increases 15 - 25 horsepower / low end torque. Aggressive deep and smooth tone while ensures smooth exhaust gas flow, increase engine output and efficiency..
  • 【Muffler & Diameter】2.5" OD mm inlet/ 2.5" OD mm main piping.
  • 【Design】The larger pipes, low-restriction mufflers, and tuned resonators of a well-designed performance exhaust system can make stunned effect on your vehicle: lower auto exhaust back pressure and a much better sound..
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DNA MOTORING CBE-NTT07-56L Stainless Steel Cat Back Exhaust System [Compatible with 04-15 Nissan Titan]

  • 【FITMENT】Compatible with 04-15 Nissan Titan.
  • 【Quality Construction】Made of high quality aluminized Steel with computerized mandrel-bends for strength and durability. TIG welded CNC machine flange for resistance against pressure and corrosion..
  • 【Enhance Performence】Dyno proven to instantly increases 15 - 25 horsepower / low end torque. Aggressive deep and smooth tone while ensures smooth exhaust gas flow, increase engine output and efficiency..
  • 【Muffler & Diameter】Piping inlet size: 3" ID.
  • 【Design】The larger pipes, low-restriction mufflers, and tuned resonators of a well-designed performance exhaust system can make stunned effect on your vehicle: lower auto exhaust back pressure and a much better sound..
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Walker Exhaust Quiet-Flow SS 56124 Direct Fit Exhaust Muffler Assembly

  • CORROSION RESISTANT STAINLESS STEEL -- The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection.
  • EASY TO INSTALL -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn't require specialized fabrication and/or welding.
  • BUILT TO LAST -- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life.
  • PREMIUM ACOUSTIC CONTROL -- OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes.
  • DESIGN VALIDATED -- Acoustic and flow tested for quality OE-style sound you can count on.
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Walker Exhaust Quiet-Flow SS 55272 Direct Fit Exhaust Muffler Assembly

  • CORROSION RESISTANT STAINLESS STEEL -- The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection.
  • EASY TO INSTALL -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn't require specialized fabrication and/or welding.
  • BUILT TO LAST -- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life.
  • PREMIUM ACOUSTIC CONTROL -- OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes.
  • DESIGN VALIDATED -- Acoustic and flow tested for quality OE-style sound you can count on.
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Walker Exhaust Quiet-Flow SS 54882 Direct Fit Exhaust Muffler Assembly

  • CORROSION RESISTANT STAINLESS STEEL -- The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection.
  • EASY TO INSTALL -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn't require specialized fabrication and/or welding.
  • BUILT TO LAST -- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life.
  • PREMIUM ACOUSTIC CONTROL -- OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes.
  • DESIGN VALIDATED -- Acoustic and flow tested for quality OE-style sound you can count on.
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Walker Exhaust Quiet-Flow SS 56205 Direct Fit Exhaust Muffler Assembly

  • CORROSION RESISTANT STAINLESS STEEL -- The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection.
  • EASY TO INSTALL -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn't require specialized fabrication and/or welding.
  • BUILT TO LAST -- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life.
  • PREMIUM ACOUSTIC CONTROL -- OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes.
  • DESIGN VALIDATED -- Acoustic and flow tested for quality OE-style sound you can count on.
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Walker Exhaust Quiet-Flow SS 54295 Direct Fit Exhaust Muffler Assembly

  • CORROSION RESISTANT STAINLESS STEEL -- The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection.
  • EASY TO INSTALL -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn't require specialized fabrication and/or welding.
  • BUILT TO LAST -- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life.
  • PREMIUM ACOUSTIC CONTROL -- OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes.
  • DESIGN VALIDATED -- Acoustic and flow tested for quality OE-style sound you can count on.
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