Revolutionizing Your Daily Tech Experience: The Must-Have Gadgets of 2025
Revolutionizing Your Daily Tech Experience: The Must-Have Gadgets of 2025 Revolutionizing Your Daily Tech Experience: The Must-Have Gadgets of 2025
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Roush Exhaust Ford Mustang 5.0L V8 (2015-2017) Quad Tip Active Exhaust Kit 421927

Roush Exhaust Ford Mustang 5.0L V8 (2015-2017) Quad Tip Active Exhaust Kit 421927

$ 61.33

$ 79.73

Unavailable
Roush Exhaust Ford Mustang 5.0L V8 (2015-2017) Quad Tip Active Exhaust Kit 421927

Roush Exhaust Ford Mustang 5.0L V8 (2015-2017) Quad Tip Active Exhaust Kit 421927

$ 61.33

$ 79.73

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Product Details

Take control of your convertible or fastback Mustang’s exhaust note and enjoy that V8 rumble with the top down. 

Fitment Information

  • 2015, 2016, 2017 Ford Mustang 5.0L V8

Specs & Features

  • Requires ROUSH rear valance 421894 (w/o back up sensors)or 421919 (with back up sensors).
  • Fits Mustang GT's with premium chassis packages only (Trim levels - 300A/400A)
  • OE Quality Engineering and construction for long life
  • Dual Tip Mufflers
  • 2015-2017 Mustang 5.0L V8
  • 4" Chrome flashed tips
  • Corrosion resistant 304 stainless steel
  • Full mandrel bending
  • Uses OEM hangars and mounting points
  • No welding required
  • Touring, Sport, Track and Custom settings for 4 exhaust "systems" out of the box
  • Custom programming feature through included WiFi OBD2 interface to 
  • Allows nearly infinite exhaust tone configurations. "MAP" and build your own exhaust note!
  • Brushed Aluminum Console Mounted 4 Mode Selector Switch
  • Easy Plug and Play Installation
  • Includes all necessary wiring, modules, hardware, and instructions

    Product Description

    The sound of your exhaust is an important factor in a convertible Mustang. Based on our ROUSH Quad Tip axle back exhaust with high flow dual tip mufflers, corrosion resistant T-304 stainless steel and high flow mandrel bends, our proprietary Active Exhaust system uses servo controlled valves to control your exhaust note. The included console mounted selector switch has a brushed aluminum finish and seamlessly switches between 4 different preset and custom modes. Our active Exhaust app for iOS lets you create your own sound profile for custom mode.

      The ROUSH Active Exhaust system features four modes: TOURING, SPORT, TRACK, and CUSTOM.

      TOURING mode can be selected to close the exhaust tailpipe valves completely and keep the exhaust volume at its absolute minimum – especially useful when you want to fly under the radar without waking up the neighbors.

      SPORT mode allows the exhaust valves to open when the engine is idling and close during normal, non-aggressive driving. The valves open again when you step on it or drive at high speeds. These settings are pre-loaded to be more aggressive (louder) than stock, but are still legal for street operation. When the engine is running, the accelerator pedal position and vehicle speed are used to determine the position of the Active Exhaust valves.

      TRACK mode is the loudest of the modes. This mode keeps the Active Exhaust valves fully open at all times when the engine is running and is typically used only on the track, as it is not legal for street operation.

      CUSTOM mode allows the operator to employ an iOS application and Wi-Fi module attached to the vehicle’s diagnostic port to personalize the exhaust sound for unique calibration. Through the application, the user gains full control over the position of the valves based on vehicle speed and accelerator position.

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