Gravity Exhaust Systems are designed and manufactured to enhance the sound, appearance and most importantly, the performance of your vehicle. All systems are designed in house using the OEM mounting points to ensure smooth fitment every time. ---Manufactured from highest quality T304 grade stainless steel ---2.5" bore Through out with Twin 3.5" tailpipes ---Mandrel Bent and fully TIG welded for strength and durability ---Fully Polished system designed to fit both the 2.3 Turbo and 5.0 V8 engines ---3.5" Tailpipes designed to fit the OEM rear valance Fitment: Ford Mustang 2.3 Ecoboost & 5.0 V8 2015-2018 models.