Testing Borlas S Type Cat Back Exhaust for the 2018+ Mustang GT MotoIQ Borla S Type Cat Back 15 17 Ford Mustang GT 5.0L V8 MT AT 2.5in pipe 4in tip (Black Chrome) Borla 140589BC for Touring Stainles 15 Ford Mustang GT 5.0L V8 MT AT 2 Borla Atak S Rear Section 15 17 Ford Mustang GT 5.0L V8 MT AT 2.5in. Borla Cat Back And Axle Back multi core technology to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T 304 stainless steel, superior to T 400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra smooth mandrel bends ensure maximum flow & power, and precision computer controlled CNC manufacturing ensures an accurate fit. Best of all, Borla stands behind every system with a Million Mile Warranty. Just what you? d expect from the world? s most experienced (and most winning) exhaust brand. This Part Fits: Year Make Model Submodel 2015 2017 Ford Mustang GT 2015 Ford Mustang GT 50 Years Limited Edition 2015 2017 Ford Mustang GT Premium