Roush 5.0L V8 Cat-Back Exhaust Kit (Fastback) — Fits 2018-2024 Ford Mustang GT

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SKU: RSH422093
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Sale price$1,499.00 Regular price$1,499.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Roush

Roush engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Roush lineup with fast shipping and expert fitment support — order with confidence.

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Roush Cat-Back Exhaust System for 2018-2024 Ford Mustang GT 5.0L (Fastback)

Unleash the iconic Roush performance sound and enhance the power of your 2018-2024 Ford Mustang GT 5.0L Fastback with this premium Cat-Back Exhaust Kit (Part No. 422093). Engineered for enthusiasts, this system is constructed from high-quality, corrosion-resistant 304 stainless steel and features mandrel-bent tubing, ensuring maximum airflow and reduced back pressure for optimal engine performance.

System Features & Benefits:

  • Aggressive Roush Tone: Delivers a deep, resonant exhaust note that perfectly complements the V8 engine.
  • Optimized Flow: Mandrel-bent x-pipe and mid-pipes improve exhaust gas velocity and reduce restriction.
  • Performance Gains: Designed to enhance horsepower and torque by improving the efficiency of your exhaust system.
  • Durable Components: Includes dual high-flow mufflers and polished 304 stainless steel tips, built to last.
  • Precision Engineering: Developed through extensive R&D, testing, and validation to ensure perfect fitment and performance.

Give your Mustang GT the powerful looks and sound it deserves with this exceptional Roush Cat-Back exhaust system. Find your upgrade at GGCRACING today.

Vehicle Fitment

Years Make Model Trim
2018-2020 Ford Mustang Shelby GT350
2018-2023 Ford Mustang EcoBoost
2018-2023 Ford Mustang EcoBoost Premium
2018-2023 Ford Mustang GT
2018-2023 Ford Mustang GT Premium
2019-2020 Ford Mustang Bullitt
2020-2022 Ford Mustang Shelby GT500
2021-2023 Ford Mustang Mach 1

Product Details

Product Description
Part Numbers
Sizing & Fit

About Roush

Roush engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Roush lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Roush Cat-Back Exhaust System for 2018-2024 Ford Mustang GT 5.0L (Fastback)

Unleash the iconic Roush performance sound and enhance the power of your 2018-2024 Ford Mustang GT 5.0L Fastback with this premium Cat-Back Exhaust Kit (Part No. 422093). Engineered for enthusiasts, this system is constructed from high-quality, corrosion-resistant 304 stainless steel and features mandrel-bent tubing, ensuring maximum airflow and reduced back pressure for optimal engine performance.

System Features & Benefits:

  • Aggressive Roush Tone: Delivers a deep, resonant exhaust note that perfectly complements the V8 engine.
  • Optimized Flow: Mandrel-bent x-pipe and mid-pipes improve exhaust gas velocity and reduce restriction.
  • Performance Gains: Designed to enhance horsepower and torque by improving the efficiency of your exhaust system.
  • Durable Components: Includes dual high-flow mufflers and polished 304 stainless steel tips, built to last.
  • Precision Engineering: Developed through extensive R&D, testing, and validation to ensure perfect fitment and performance.

Give your Mustang GT the powerful looks and sound it deserves with this exceptional Roush Cat-Back exhaust system. Find your upgrade at GGCRACING today.

Vehicle Fitment

Years Make Model Trim
2018-2020 Ford Mustang Shelby GT350
2018-2023 Ford Mustang EcoBoost
2018-2023 Ford Mustang EcoBoost Premium
2018-2023 Ford Mustang GT
2018-2023 Ford Mustang GT Premium
2019-2020 Ford Mustang Bullitt
2020-2022 Ford Mustang Shelby GT500
2021-2023 Ford Mustang Mach 1

Product Details

Product Description

About Roush

Roush engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Roush lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Roush Cat-Back Exhaust System for 2018-2024 Ford Mustang GT 5.0L (Fastback)

Unleash the iconic Roush performance sound and enhance the power of your 2018-2024 Ford Mustang GT 5.0L Fastback with this premium Cat-Back Exhaust Kit (Part No. 422093). Engineered for enthusiasts, this system is constructed from high-quality, corrosion-resistant 304 stainless steel and features mandrel-bent tubing, ensuring maximum airflow and reduced back pressure for optimal engine performance.

System Features & Benefits:

  • Aggressive Roush Tone: Delivers a deep, resonant exhaust note that perfectly complements the V8 engine.
  • Optimized Flow: Mandrel-bent x-pipe and mid-pipes improve exhaust gas velocity and reduce restriction.
  • Performance Gains: Designed to enhance horsepower and torque by improving the efficiency of your exhaust system.
  • Durable Components: Includes dual high-flow mufflers and polished 304 stainless steel tips, built to last.
  • Precision Engineering: Developed through extensive R&D, testing, and validation to ensure perfect fitment and performance.

Give your Mustang GT the powerful looks and sound it deserves with this exceptional Roush Cat-Back exhaust system. Find your upgrade at GGCRACING today.

Vehicle Fitment

Years Make Model Trim
2018-2020 Ford Mustang Shelby GT350
2018-2023 Ford Mustang EcoBoost
2018-2023 Ford Mustang EcoBoost Premium
2018-2023 Ford Mustang GT
2018-2023 Ford Mustang GT Premium
2019-2020 Ford Mustang Bullitt
2020-2022 Ford Mustang Shelby GT500
2021-2023 Ford Mustang Mach 1

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