Primary and Secondary Downpipes F90 M5 / F9X M8 S63TU4

  Set of HUKSN Primary and Secondary Downpipes, the ultimate upgrade for your BMW F90 M5 / F9X M8. These high-performance downpipes are designed to unleash the full potential of your engine, delivering increased power and torque throughout the RPM range. Main Features: Significant power gain Faster spool up and better throttle response Increasing the life of the turbos  Reducing under hood temperature Adds a very nice tone to the exhaust 100% bolt-on installation 100% TIG welded and back purged Highest quality 1.6mm wall 304 stainless steel OEM-spec V-band flanges All brackets and mounts as on OEM unit Crafted from premium-quality T304 stainless steel, these downpipes are built to last. They are mandrel-bent for maximum flow and feature smooth, non-restrictive transitions that minimize turbulence and improve exhaust gas flow. The result is a noticeable increase in power and torque, along with a more aggressive exhaust note that will turn heads on the street and at the track. Installa