These high-flow cats are direct replacements for the OEM catalytic converters on the Audi TTRS. They are constructed from 2.5" mandrel bent 304 stainless steel piping and Magnaflow stainless steel catalytic converters. Flanges are CNC waterjet cut from 304 stainless steel and TIG welded for perfect fitment. Piping is slightly reduced to fit OEM band clamps. Catalytic converters are 200 cell/inch metal core in spun stainless steel bodies. Gaskets & hardware included.
Fitment is identical to OEM catalytic converters. Installation is simple. No permanent modification necessary.
TTRS test pipes deliver a deeper exhaust note and mild horsepower gains throughout the power band.
We make no claims as to emission performance for street or highway use. Some equipment is not sold for street use in any state or country where state or federal regulations prohibit its use. Some items listed in the online catalog are intended for off road use and for purpose built race cars only. EUROTEK TUNING, LLC does not make any claims of street legal use of these products that are not intended for use on public roads. We are not affiliated with Volkswagen Audi Group, Porsche AG or any of their subsidiaries. EUROTEK TUNING, LLC is not responsible for errors on our website.