Borla Cat-Back Exhaust System (140504) for 2013–2016 Ford Focus ST 5-Door Hatchback is engineered to enhance exhaust flow, boost performance, and deliver the signature Borla sound. Built using high-quality materials and advanced manufacturing processes, this system offers a direct-fit upgrade over stock components.
Manufactured from premium 300-series austenitic stainless steel, the Borla Cat-Back Exhaust System (140504) is more corrosion-resistant and durable than alternatives made with T-400 series materials. Borla ’s patented straight-through and multi-core technology optimizes exhaust velocity, which helps increase horsepower and fuel efficiency. Ultra-smooth mandrel bends maintain consistent pipe diameter for minimal backpressure and maximum performance.
CNC precision manufacturing ensures a reliable fit, simplifying installation. This system is suitable for both standard and PZEV (Partial Zero Emission Vehicle) versions of the Focus ST. Polished stainless steel tips offer a clean, performance-oriented appearance to complement your vehicle’s look.
Key Features :
Designed for 2013–2016 Ford Focus ST 5-door Hatchback models
Patented multi-core technology increases exhaust velocity and power
Constructed from 300-series austenitic stainless steel for superior durability
Ultra-smooth mandrel bends ensure consistent flow and performance
Precision CNC manufacturing guarantees a direct, accurate fit
Polished stainless steel exhaust tips provide a sleek finish
Backed by Borla ’s Million-Mile Warranty
!