Flowmaster 717873 Flowmaster FlowFX Cat-back Exhaust System
Flowmaster 717873 Flowmaster FlowFX Cat-back Exhaust System
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Flowmaster 717873 Flowmaster FlowFX Cat-back Exhaust System

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Key item features

  • Performance Boost: Increases engine output by 6.7 horsepower and 6.5 foot-pounds of torque over the stock exhaust system.
  • Sound Profile: Produces a moderate, deep, and powerful sound with a nice rumble and minimal internal resonance.
  • Durable Construction: Features mandrel-bent 16-gauge 409 stainless steel tubing for optimal exhaust flow and corrosion resistance.
  • Aggressive Styling: Includes a large 4.50-inch black ceramic-coated 304 stainless steel tip embossed with the Flowmaster name.
  • Easy Installation: Designed for straightforward installation with complete hardware and factory-styled hangers in stock locations.
  • Optimized Flow: Utilizes a FlowFX "straight-through" performance muffler to deliver improved exhaust flow.
  • Vehicle Compatibility: Compatible with 1999-2007 (Classic Body) GM 1500 4.3L, 4.8L, 5.3L engines with a 143.5-inch wheelbase, single exit.
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Current price is $614.95
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