ECE Downpipe Ø 76mm front pipe Car: AUDI TT 8J (8S) TT III 2.0 Engine: CHHC Ltr. 2.0 KW: 169 Euro 6 Remark: If a muffler is omitted due to the installation of a tuning catalytic converter, the noise behavior must be re-evaluated within the scope of an operating license for the vehicle in accordance with § 21 StVZO ECE/Street legal Part no.: 90 81 1100