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 and tone. All products are manufactured from 304L aircraft grade stainless steel, ensuring durability in harsh conditions. Performance exhaust systems are developed for a wide range of vehicles, with ongoing research and development to meet evolving performance requirements. All products are made in the UK and distributed to over 90 countries worldwide. - Direct replacement for the original exhaust system - Available in multiple configurations for sound and tone customization - Constructed from 304L aircraft grade stainless steel - Designed for durability in harsh conditions 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 - Axle Pipe LH - MSFD205 - Right Hand Axle Pipe - MSFD206 - X Pipe - MSFD209 - 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)