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Product Information

The Borla S-TYPE Cat-Back is a cat-back exhaust for a 2024-2026 Ford Mustang: EcoBoost, replacing everything from behind the catalytic converters back, a bigger system than an axle-back.

Manufacturer-supplied Borla details include Borla's patented straight-through, multi-core technology, which Borla says unlocks hidden HP and increases exhaust velocity; T-304 stainless steel construction throughout; steel Borla says outlasts the cheaper T-400-series (like 409) steel some competitors use; black chrome stainless tips (4-inch); mandrel-bent tubing and CNC-controlled manufacturing for consistent flow and a precise fit; a Borla Million-Mile warranty on the system.

Fits 2024-2026 Ford Mustang: EcoBoost. Does not fit Mustang: Dark Horse, GT, GTD. This specific system is built for Mustangs WITHOUT Ford’s factory Active Exhaust option; check your car’s build sheet before ordering, since Borla makes separate systems for cars with and without it. Pipe diameter: 2.5 inch, per the listing.

This is a cat-back system, running from behind the catalytic converters to the tips; it does not touch the catalytic converters either way, so it changes sound and, per Borla, exhaust flow, not emissions equipment. Borla's own listing claims no drone inside the cabin with this system; that's Borla's claim about their own product, not something we've measured ourselves, and drone is notoriously subjective and dependent on your specific car. Borla does not list a dyno figure for this specific system.

Listed specifications include Type: S-TYPE Cat-Back; Material: T-304 stainless steel; Pipe diameter: 2.5 inch; Tip diameter: 4 inch.

Use manufacturer part number 140979BC to identify this exact Borla catback configuration. Match the full part number, vehicle application, sound level, pipe diameter, tip finish, active-exhaust requirement, and included section before ordering.

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