REDSTAR Performance Downpipes for all Audi S6 RS6 S7 RS7 A8 S8 with 4.0 TFSI engine.

Compatible Vehicles:

• 2012- Audi S6/RS6 Quattro C7 C7.5
• 2012- Audi S7/RS7 Quattro C7 C7.5
• 2012- Audi A8/S8 Quattro D4 D4.5

Available options:

• GESI UHO high-flow Metal Core Catalytic Converters. Rated 500-850hp each. EPA certified for use on OBD2 vehicles (1996 and newer) 49 States. 
• OEM-style Heat Shielding with ceramic inner liner - the best way to reduce radiant heat up to 70%. Usual thermal wraps not even close in effectiveness and durability to the Heat Shields.

Main Features:

• 3in OD with smooth transition to OEM-spec bottom flanges
• OEM X-crossing design, no O2 wire extensions needed
• designed to fit OEM Mid-Pipes
• 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

Our Advantages:

• 100% bolt-on installation
• 100% hand made in Russia
• 100% TIG welded and back purged
• highest quality 1.6mm wall 304 stainless steell
• precision CNC machined flanges
• all brackets and mounts as on OEM unit
• 5 year warranty against any defects given to 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.