Roush Quad Tip Active Axle-Back Exhaust

By: Roush


    • 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 Coupe only
    • 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 Roush Apple iOS application
    • 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
    • Time Required: 2 hours (approximately)

    • Skill Level: Intermediate - You should have "above average" mechanical knowledge/experience to attempt this installation.

    • Mustang 2015-2017 GT

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Pull into your driveway at night without waking the neighbors; turn down your exhaust to avoid unwanted attention or open up the pipes all the way for the ultimate performance V8 sound. This system is 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 ties in with your Mustang’s powertrain control module, letting the valves open based on throttle position. Use the included console mounted selector switch to swap sound modes on the fly and fine tune your custom mode with our Active Exhaust app for iOS.

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