This 2.5 in. diameter Borla Axle-Back system delivers our classic S-Type sound with no drone inside the vehicle. It features 4 in. round mirror polished T-304 stainless steel tips. A system with black coated T-304 stainless steel tips is also available. Borla Cat-Back and Axle-Back exhaust systems feature patented straight-through and multi-core technology designed to unleash hidden horsepower. Increased exhaust velocity adds power, driving excitement, fuel economy, and the distinctive Borla Sound of Power respected by motoring enthusiasts everywhere. Each system is built from premium T-304 stainless steel, superior to T-400 series knockoffs (such as 409), to give you the absolute best in performance and durability. Ultra-smooth mandrel bends ensure maximum flow & power, and precision computer numerical control (CNC) manufacturing ensures an accurate fit. Give your Cooper S the sound and power it deserves, bolt on a Borla .

11987 S-Type Axle-Back Exhaust System Features:

• See below for additional Product Features & Benefits
• System will fit vehicles with and without NPP
• Borla system does NOT include NPP valves
• System ships in 2 boxes

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART