Unleash sharper performance from your Audi with Redstar performance exhaust downpipes for the 2019+ Audi C8 RS7 Sportback Sedan / RS7 Performance, 2019+ Audi C8 RS6 Avant / RS6 Performance / RS6 GT, and 2019+ Audi D5 S8 Sedan. Purpose built for these platforms, they install as a true bolt-on replacement for the factory downpipes, with high-performance catalytic converter options or competition catless.

A flow-optimised, smooth-transition design improves exhaust flow for faster spool, stronger throttle response and meaningful power gains, while enriching the signature V8 soundtrack. Redstar's OEM-style heat shielding option cuts radiant exhaust heat by up to 80% to help control under-bonnet temperatures and support turbocharger longevity.

Crafted from 2.0mm wall 304L stainless steel, every unit is 100% TIG welded and back purged with OEM-spec flanges for a precise fit using factory brackets. Developed for C8 RS6, C8 RS7 and D5 S8 applications, this Redstar downpipe upgrade suits LHD and RHD cars. For a bolder note, pair with the Redstar Resonator Delete.

Available Options

• HJS HD 200cpsi Catalytic Converters: Engineered in Germany and trusted worldwide, the HJS 200cpsi ultra high-performance cats are rated for over 1000hp. Renowned for exceptional flow, durability, and consistent quality, these converters set the benchmark for high-output applications. Ideal for drivers demanding maximum performance without compromise.
• GESI GEN2 400cpsi Catalytic Converters: The latest GEN2 series from GESI is rated to support up to 1000hp while offering smoother exhaust flow and improved efficiency compared with factory units. Featuring advanced emissions technology for optimal catalyst function at high flow rates. A strong choice for those seeking significant performance gains with refined operation.
• OEM-Style Heat Shielding: Redstar's signature thermal management system reduces radiant exhaust heat by up to 80%. Developed with motorsport-inspired materials and construction, it uses a multi-layer design of ceramic insulation and embossed stainless steel foil. Unlike wraps or coatings that degrade quickly, Redstar shielding delivers long-term durability and consistent protection for engine bay components.
• Competition/Catless: Maximum flow design for uncompromised performance. Delivers the most aggressive exhaust note and optimal power gains. Track use only - not for road use.

Key Performance Benefits

• Significant power gain
• Faster spool up and sharper throttle response
• Lower under-bonnet temperatures that help protect components and support turbo longevity
• Enhanced, more assertive exhaust tone
• True bolt-on installation that integrates with factory mounting points

Technical Specifications

• 2.0mm wall 304L stainless steel construction
• 100% TIG welded and back purged
• OEM-spec flanges
• Factory-style brackets and mounts
• Flow-optimised smooth transition design

Notes

• LHD/RHD compliant
• Pair with Redstar Resonator Delete for an even bolder exhaust note

Fitments

• 2019+ Audi C8 RS7 Sportback Sedan / RS7 Performance
• 2019+ Audi C8 RS6 Avant / RS6 Performance / RS6 GT
• 2019+ Audi D5 S8 Sedan