Heat-shielded Primary and Secondary Downpipes F90 M5 / F9X M8 S63TU4

Double-layer heat shielding is used to protect surrounding parts, wires, and hoses against radiant heat from the downpipes. Integrated thermal insulation reduces surface temperature up to 70%! What makes it an absolute winner, compared to usual thermal wrapping or ceramic coatings. It’s very important not just for safety reasons but also affects engine performance by reducing the underhood temperature.  Downpipes, the ultimate upgrade for your BMW F90 M5. 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-quali