Borla · New
Borla S-Type Cat-Back 15-17 Ford Mustang GT 5.0L V8 MT/AT 2.5in pipe 4in tip
MPN 140590 · Store SKU bor140590
Supplier stock checked 11/7/2026, 7:52:37 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
This 2.5" diameter dual Cat-Back system contains a Merge X-Pipe for increased performance and improved sound. It delivers the classic S-Type sound with no drone inside the vehicle. The system features single 4" round bright chrome on T-304 stainless steel tips on each muffler assembly. A system with black chrome on T-304 stainless steel tips is also avilable. Optional front muffler / resonator 60561 can be added to replace the Merge X-Pipe for addtional sound control. BORLA Cat-Back & Axle-Back exhaust systems feature patented straight-through and multi-core technology designed 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 numerical control (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. Borla Cat-Back and Rear Section exhaust systems feature patented straight through and multi-core technology to unleash hidden horsepower. Increased exhaust velocity adds power; driving excitement; fuel economy; and the distinctive Borla Sound of power respected enthusiasts everywhere. Each system is built from premium 300 series austenitic stainless steel; superior to T-400 series knockoffs; to give you the absolute best in performance and durability. Ultra smooth mandrel bends ensure maximum flow and 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 would expect from the worlds most experienced and most winning exhaust brad. S-Type Cat-Back Exhaust System 2015-2017 Ford Mustang GT/ GT Convertible 5.0L V8 Automatic/ Manual Transmission Rear Wheel Drive 2 Door. Cat-Back Exhaust System - S-Type S-Type; Cat-Backâ„¢ System
Manufacturer fitment & guides
Check 140590 against the manufacturer’s application information below.
Part-specific notes
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
