Borla 11987 Axle-Back Exhaust System S-Type 2.5" Diameter

The Borla 11987 Axle-Back Exhaust System delivers the signature S-Type sound with zero interior drone, making it perfect for enthusiasts who want aggressive exhaust tone without cabin noise. This 2.5-inch diameter system is engineered specifically for the Mini Cooper S and features mirror-polished 4-inch round T-304 stainless steel tips for a premium appearance.

Key Features:

• Patented straight-through and multi-core technology unleashes hidden horsepower
• Premium T-304 stainless steel construction (superior to 409 stainless)
• Ultra-smooth mandrel-bent tubing maximizes exhaust flow and power
• 4-inch round mirror-polished stainless steel tips
• Precision CNC manufacturing ensures accurate, bolt-on fitment
• S-Type sound level: aggressive tone without interior drone
• Increased exhaust velocity improves power and fuel economy

Borla's axle-back systems are designed to enhance both performance and sound. The straight-through design reduces backpressure while the multi-core technology eliminates unwanted drone frequencies. Every component is manufactured from T-304 stainless steel for maximum corrosion resistance and longevity. Borla backs this exhaust system with their industry-leading Million-Mile Warranty, demonstrating their confidence in the quality and durability of their products.