The Cat-Back systems are designed as direct replacements for the original exhaust, offering improved sound and aesthetics. Multiple configurations are available, allowing the owner to select the desired increase in exhaust volume or a more aggressive tone. All products are manufactured from 304L aircraft grade stainless steel, ensuring durability in harsh conditions. The range is continually developed to meet the needs of a wide variety of vehicles. - Direct replacement for the original system - Available in multiple configurations for sound and tone customization - Manufactured from 304L aircraft grade stainless steel - Designed for a wide range of vehicles Specifications: - Pipe Diameter: 70.00 - Fitting Time: 1 to 1.5 hours (including removing OE system) - Fitting Notes: Fitting time excludes Roush Rear Valance - Race Product: No - EMarked: No Kit comes with: - Adapter for OE Downpipe - F5140 - Polished GT (round) 90 Exhaust Tip, Standard - MSAU529 - Front Silencer - MSFD204 - Axle Pipe LH - MSFD205 - Right Hand Axle Pipe - MSFD206 - Left Hand Rear Silencer (Dual Outlet) - MSFD210 - Right Hand Rear Silencer (Dual Outlet) - MSFD211 Vehicle Compatibility: - 2015-2018 Ford Mustang 5.0 V8 GT (Fastback)