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Audi B9 S4 / S5 Downpipe

New product

B9 S5 Downpipe Video HJS 200

Performance downpipe for the new 2015+ B9 Audi S4 / S5 with 3.0 TSFI Turbo Charged engine. 

More details


  • No Heat Shield
  • Includes Heat Shield
  • Catless
  • GESI 300cpsi
  • HJS 200cpsi
  • HJS 300cpsi
  • GESI 400cpsi

More info

Compatible Vehicles:

  • 2015- Audi S4 B9 
  • 2015- Audi S5 B9

*Available Options:

  • Ultra high-performance 200 cell HJS HD (Euro 5), best in power and performance. Made in Germany, metal core catalytic converters.
  • Ultra high-performance 300 cell HJS HD (Euro 6), best in emissions and performance. Made in Germany, metal core catalytic converters. (No CEL)
  • GESI UHO 300 cell high-flow Metal Core Catalytic Converters. Rated 350-500hp each. EPA certified for use on OBD2 vehicles (1996 and newer) 49 States. 
  • GEN 2 GESI 400 cell (No CEL)
  • OEM-style Heat Shielding with ceramic inner liner - the best way to reduce radiant heat up to 70%. Usual thermal wraps or coats not even close in effectiveness and durability to the Heat Shields. Must have option for the modern temp sensitive turbo engines.

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 2.0mm wall 304 stainless steel
  • OEM-spec V-band flanges
  • All brackets and mounts as on OEM unit


Removing of factory catalytic converters will trigger a сheck engine light. Firmware update recommended to get maximum performance gains. 

This product is not designed to meet any emissions standards and is not for street or highway use. This product is not certified and may not be legal for use on emissions controlled vehicles in any country/jurisdiction.