PFYC.com > Borla Exhaust > 2015 17 Mustang GT Borla 140591 Cat Back Borla 18 23 Ford Mustang GT 5.0L AT MT 2.5in S Type Axle Back Exhaust w Borla S Type Rear Section 15 17 Ford Mustang GT 5.0L V8 MT AT 2.5in Pi Borla Catback Exhaust Ford Mustang GT 4.6L V8 (99 04) ATAK S Type Tour Borla CatBack Exhaust System 2.25" Fits Ford Mustang Performance SS Tip Borla Mustang S Type Cat Back Exhaust with Polished Tips 140135 (05 09. 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