3 products about 2004 Audi TT Quattro Catalytic Converters & Components foundVEHICLE SPECIFIC Product Specifications Notes: Not legal for use in Calif; Illegal for installation in NY on vehicles equipped w/Calif emission systems Gaskets Included: Yes Inlet Type: 3 Bolt Fixed Flange Large Pkg. Fee: No Number of O2 Sensors: 1 Over All Length: 31.50 Packaging Type: Boxed UPC: 841809109002 Use Davico Decarbonizing Induction Kit 1540ea: Yes Part Description: 2004 Audi TT Quattro Direct Fit Catalytic Converter and Pipe Assembly More Info Vehicle Fitment 2004 Audi TT Quattro | All Trims | 4 Cyl 1.8L VEHICLE SPECIFIC Product Specifications Notes: Not legal for use in Calif; Illegal for installation in NY on vehicles equipped w/Calif emission systems Inlet Type: 6 Bolt Fixed Flange Large Pkg. Fee: No Number of O2 Sensors: 2 Outlet Type: 2.5" OD Over All Length: 41.25in Packaging Type: Boxed UPC: 841809116031 Use Davico Decarbonizing Induction Kit 1540ea: Yes Part Description: 2004 Audi TT Quattro Direct Fit Catalytic Converter and Pipe Assembly More Info Vehicle Fitment 2004 Audi TT Quattro | All Trims | 6 Cyl 3.2L VEHICLE SPECIFIC Product Specifications Notes: Not legal for use in Calif; Illegal for installation in NY on vehicles equipped w/Calif emission systems; Universal Fit; Fed & Calif Emission systems Converter Configuration: Universal Fit UPC: 841809129680 Part Description: 2004 Audi TT Quattro Universal Fit Catalytic Converter More Info Vehicle Fitment 2004 Audi TT Quattro | Base | 4 Cyl 1.8L 2004 Audi TT Quattro | Base | 6 Cyl 3.2L