Made for the track, not your neighbors. CORSA Performance Track Series Mustang GT axle back exhaust systems are designed exclusively to eliminate restrictions, maximize weight savings, and bring the noise. Each system features 3.0 in. 304 stainless steel construction and eliminates the mufflers to maximize sound and weight savings(26lbs less than stock).Specifications: Description_ASC Track Series Kits May Not Meet Municipal or Track Sound Level Requirements. Track Series exhaust systems cannot be returned for sound reasons. Description_DES Tack Axle-Back Exhaust System Description_EXT 3.0in. Axle-Back Dual Rear Track Series Exhaust System with 4.5in. Polished Pro-Series Tips Description_FAB Corsas Loudest Muffler Delete Exhaust Offering Description_FAB Characterized By Aggressive Cold Starts And Head Turning Volume Under Acceleration Description_FAB 304 Stainless Steel Construction Description_FAB Free Flowing Mandrel Bends Maximize Airflow And Performance Description_FAB Aggressive Sound (26 Decibels Louder Than Stock) Description_FAB More Than Twice As Loud As The Stock Exhaust System Description_FAB Mounts Directly To Corsa Performance Mid-Pipes Or Exhaust Systems Using Stock Axle Back Connection Points Description_FAB Features Single 4.5 in. Dual Wall Stainless Steel Polished Pro Series Tips Description_FAB Backed By Corsa Limited Lifetime Warranty Description_FAB Bolt-On Installation Description_FAB Made In The USA Description_INV Axle-Back Description_MKT Made for the track, not your neighbors. CORSA Performance Track Series Mustang GT axle back exhaust systems are designed exclusively to eliminate restrictions, maximize weight savings, and bring the noise. Each system features 3.0 in. 304 stainless steel construction and eliminates the mufflers to maximize sound and weight savings(26lbs less than stock). Description_SHO Exhaust This Part Fits: Year Make Model Submodel Notes 2015 Ford Mustang GT 2016 Ford Mustang GT 2017 Ford Mustang GT