76mm Downpipe with 200 Cell Sport-Kat. Material: stainless steel Car: Audi TT Engine: Audi TT 8N Bj. 98-2006 Frontantrieb Coupe & Roadster / yoc 98-2006 2WD | 1.8l Turbo 110/132kW | replaces the original cat. / with 200 cells sport cat. Part no.: 981012-DPKA