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Product Information

The Borla S-Type Axle-Back is a rear-section-only exhaust for a 2024-2026 Ford Mustang: GT, replacing everything from the axle back only, the rear-most section.

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; 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: GT. Does not fit Mustang: Dark Horse, EcoBoost, GTD. Per Borla's own listing: "It fits both the coupe and convertible models." This specific system is built for Mustangs WITHOUT Ford’s factory Active Valve Performance Exhaust option; check your car’s build sheet before ordering, since the active-exhaust and non-active-exhaust systems are not interchangeable per Borla’s own part numbering. Pipe diameter: 2.5 inch, per the listing.

This is the rear section only, bolting on behind your factory or existing mid-pipe; 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 Axle-Back; Material: T-304 stainless steel; Pipe diameter: 2.5 inch.

Use manufacturer part number 11983BC to identify this exact Borla axle back 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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