Apectrum BMW F20/F21 N13 Sport Cat. Downpipe is made by SUS304 stainless steel for greater strength and enhance temperature, corrosion resistance.
It is equipped with High quality Sport catalytic converter with larger pipe, which optimizes air flow and back pressure to unleash extra power and torque. Also enhancing the responsiveness of accelerator pedal and reduce engine temperature.

By using sophisticated materials, our F20/F21 Sport Cat. Downpipe is lighter than the OEM downpipe.

Key Features:

• 2.5” (63.5mm) High-flow pipe diameter
• 200CPSI Sport catalytic converter
• SUS304 stainless steel lightweight construction
• High quality CNC/Welding workmanship
• Aggressive sporty sound
• Performance increase, low back pressure
• Compatible with stock cat-back for direct installation
  
• Made in Taiwan
• Compatible with F20/F21 N13 116i, 118i, 120i