Catted version of our REDSTAR Downpipes for all Mercedes E63 W212 CLS 63 C118 AMG / AMG S models with M157 5.5L biturbo engine. 

These downpipes can be equipped with GESI 7830 UHO high-flow Metal Core Catalytic Converters by VibrantPerformance. Rated 500-850hp each. EPA certified for use on OBD2 vehicles (1996 and newer) 49 States.

Compatible Vehicles:

• 2014-2017 Mercedes E63 AMG / AMG S 4matic W212 S212 M157 5.5 twin-turbo engine
• 2012-2018 Mercedes CLS 63 AMG / AMG S 4matic C218 X218 M157 5.5 twin-turbo engine 

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 bottom ball flanges
• Precision V-band clamps instead of weak slip-joints used by other manufacturers
• All brackets and mounts as on OEM unit

Why Buy Our Products?

  You buy directly from the manufacturer and all the products 100% handmade in Russia.
  We don't compromise on quality! No mild steel flanges, no weak clamp joints, no other cost reduction tricks.
  Free flow is our priority! No steps and restrictive areas, only smooth transitions, bigger diameters, and optimized design.
  Our welds and whole craftsmanship better than the most of competitors. Pictures speak for themselves.
  5-year warranty against any defects given to the original owner.

Notes:

Removing of factory catalytic converters will trigger a сheck engine light (can be eliminated with optionally O2 sensors restrictors). Firmware update recommended to get maximum performance gains.