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REDSTAR downpipe for Audi RS Q3 with 2.5 TFSI engine.

Optimized single-tube design, eliminate both primary and secondary catalytic converters, provide a huge increase in exhaust flow and will allow for a significant power gain. 

Compatible Vehicles:

  • 2014-2018 Audi RS Q5 8U 2.5TFSI

Available options:

  • HJS Ultra High-Performance catalytic converter. Made in Germany most reputed high flow converters for their outstanding characteristics, quality and durability. We offer selection between 100cpsi Motorsport grade matrix, 200cpsi Euro 5 HD matrix or 200cpsi Euro 6 HD matrix. >> Read more about HJS cats.
  • GESI UHO 300cpsi made in Canada catalytic converter rated 500-850hp with 4.5in core diameter. Provides a significant improvement in exhaust flow over stock. GESI is the well known brand on the market with perfect price/quality ratio. EPA certified for use on OBD2 vehicles (1996 and newer) 49 States. 
  • Double-layer heatshielding 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. We highly recommend this option, especially for catted downpipes.

Main Features:

  • Eliminate both primary and secondary catalytic converters
  • 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 flange
  • 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.



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. 

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. This product is NOT C.A.R.B. compliant and not for sale or use in California, USA.