Stainless Steel Audi 4.0 TFSI BiTurbo C7 DownPipes, Set of Two, Left and Right, 2012+ 4.0 TFSI RS6 factory downpipe is very restrictive part of its exhaust system. As any vehicle equipped with a turbo, catless downpipe larger 3.0" diameter can provide a great improvement in performance. Besides of power and driveability benefits, our downpipe made of high quality T-304 Stainless steel, providing extended operation without rust. Explore the image attached with comparison stock and our downpipe inlets. Our turbo's flange is exactly the same shape with turbine's outlet flange, so no any steep as you have with factory downpipe. Also pay attention to diameter of inlet pipes. Specifics and Features: Made of high quality T-304 Stainless Steel Maximizing Exhaust Airflow High Performance in-house design Inlet Flange: Stock dimensions Outlet Flange: Stock dimensions Diameter: 3.00"/ 76mm Increase Engine Output and Efficiency Gain up to 720 hp/1000 Nm with stage 2 reflash, dyno approved TIG Welded Direct Bolt-On, No any Cutting/Welding/Modification Brand New Professional Mechanic Installation is recommended, normally takes 2-4 hrs MUST be chip-tuned (reflashed) by Proffesional chip-tuner for Power gain and Catless. Downpipes supplied in bared uncoated Stainless Steel . As an option, we can make Ceramic coating for your Downpipes, which provides excellent thermo-barrier feature, much better than regular Exhaust Wrap. We do make ThermalSpayed Oxide Zyrconia coating (White) or Oven cured Ceramic coating (Black or Titan). We do ship by door-to-door service EMSPost, it normally takes 7-10 days to any destination
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