The S-Type II systems use the latest muffler design to eliminate sound frequencies are often associated with resonance or drone. This system will fit vehicles with and without NPP. Borla system does NOT include NPP valves. System features 4.25 in. polished T-304 stainless steel tips. Borla Cat-Back & Axle-Back exhaust systems feature patented straight-through and multi-core technology 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, high-quality T-304 austenitic 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-controlled CNC manufacturing ensures an accurate fit.

11917 S-Type II Axle-Back Exhaust System Features:

• The O.E. Spark Arrester is reused so this this system meets United States Forest Service (USFS) specifications
• System does not remove or alter any O.E. Emission Control Devices and is 50 State Emissions Legal
• Tip NOT included. Reuse O.E. tip or purchase optional Borla tip
• Reuse O.E. tip mounting hardware