Borla 14-24 Mini Cooper S (F55) S-Type Axle-Back Exhaust System

This Borla axle-back exhaust system is built for the verified 2015-2024 Mini Cooper S application listed below. Select it by exact manufacturer part number 11987 and confirm the full engine, drivetrain, body, wheelbase, factory-exhaust, and Borla application notes before ordering.

Key Features

• 4″ Mirror Polished Tips: Round T-304 stainless steel tips provide a premium look; black coated version available separately.
• T-304 Stainless Steel Construction: Premium material resists corrosion better than 409 stainless, ensuring durability in all conditions.
• Mandrel Bent Tubing: Ultra-smooth 2.5″ diameter pipes promote maximum flow without restrictions.
• S-Type Sound Profile: Delivers aggressive exhaust note outside the vehicle with zero drone for comfortable cruising.
• Patented Multi-Core Technology: Increases exhaust velocity for measurable power gains and responsive throttle feel.
• Direct bolt-on replacement; no cutting or welding required.

Fitment

Specifications

What’s Included

One new Borla product identified by manufacturer part number 11987. Clamps, hangers, gaskets, tips, pipes, tools, and companion parts are included only when expressly listed for this exact part number.

About Borla

Borla develops stainless-steel exhaust systems, mufflers, tips, pipes, and related components for vehicle-specific and universal performance applications. Product selection remains exact-application and exact-part-number specific.

Related Borla Products

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• Borla 15-24 Lexus RC F Axle-Back Exhaust System S-Type
• Borla 15-24 Lexus RC F Axle-Back Exhaust System S-Type – Black Chrome

Browse the Borla collection for related exhaust systems and components.

Frequently Asked Questions

Will this Borla part fit my 2015-2024 Mini Cooper S?
That application is listed, but confirm the engine, drivetrain, body or cab style, wheelbase, factory exhaust layout, tip opening, and every Borla application note before ordering.

Will this change require an engine tune?
A cat-back, axle-back, tip, muffler, or post-catalyst component usually does not require tuning, but confirm the exact application, emissions configuration, oxygen-sensor locations, and local requirements before installation.

What should I inspect before installation?
Check the shipping carton and components against the exact part number, then inspect clamps, hangers, gaskets, mating flanges, clearances, tip alignment, and required reused factory hardware before removing the original exhaust.

Installation Instructions

Follow the current Borla instructions and vehicle service information for this exact part number. Let the exhaust cool, support the vehicle safely, compare all parts before removal, protect sensors and wiring, use the specified clamps and torque values, align all joints and tips without preload, confirm body and suspension clearance, check for leaks, and retorque after the first heat cycles. Professional installation is recommended.