Audi logoAudi TT 180 / 225 quattro Coupe & Roadster

1998 to 2006

1. Large Bore Downpipe and Hi-Flow Sports Cat - For use only with the Milltek Sport 3-inch Race System. Requires Stage 2 ECU Remap. Fits 225 model only
Part Description Tailpipe Style
· Large-bore Downpipe Assembly
· Hi-Flow Sports Catalyst
 
Pipe Diameter: 76.20mm (3.00")
Weight Saving: -4.40 kilos

 

2. Cat-back - 3-inch Race System. Non-resonated (louder). Black Velvet GT100 Tips. Fits 225 model only
Part Description Tailpipe Style
· Centre Silencer Replacement Pipe
· Rear Silencer Assembly
· Cerakote Black Tips Dual GT100
 
Pipe Diameter: 76.20mm (3.00")
Weight Saving: -7.15 kilos

 

3. Cat-back - 3-inch Race System. Non-resonated (louder). Lightweight Titanium GT100 Tips. Fits 225 model only
Part Description Tailpipe Style
· Centre Silencer Replacement Pipe
· Rear Silencer Assembly
· Titanium Tips Dual 100mm GT100
 
Pipe Diameter: 76.20mm (3.00")
Weight Saving: -7.15 kilos

 

4. Cat-back - 3-inch Race System. Non-resonated (louder). Polished GT100 Tips. Fits 225 model only
Part Description Tailpipe Style
· Centre Silencer Replacement Pipe
· Rear Silencer Assembly
· Polished Tips Dual GT100
 
Pipe Diameter: 76.20mm (3.00")
Weight Saving: -7.15 kilos

 

5. Cat-back - 3-inch Race System. Resonated (quieter). Black Velvet Tips. Fits 225 model only
Part Description Tailpipe Style
· Centre Silencer
· Rear Silencer Assembly
· Cerakote Black Tips Dual GT100
 
Pipe Diameter: 76.20mm (3.00")
Weight Saving: -5.60 kilos

 

6. Cat-back - 3-inch Race System. Resonated (quieter). Lightweight Titanium GT100 Tips. Fits 225 model only
Part Description Tailpipe Style
· Centre Silencer
· Rear Silencer Assembly
· Titanium Tips Dual 100mm GT100
 
Pipe Diameter: 76.20mm (3.00")
Weight Saving: -5.60 kilos

 

7. Cat-back - 3-inch Race System. Resonated (quieter). Polished GT100 Tips. Fits 225 model only
Part Description Tailpipe Style
· Centre Silencer
· Rear Silencer Assembly
· Polished Tips Dual GT100
 
Pipe Diameter: 76.20mm (3.00")
Weight Saving: -5.60 kilos

 

8. Cat-back - Non-resonated (louder). 180 models may require dual-outlet rear valance from the 225 model
Part Description Tailpipe Style
· Centre Silencer Replacement Pipe
· Rear Silencer Dual 100mm GT100
 
Pipe Diameter: 69.85mm (2.75")

 

9. Cat-back - Resonated (quieter). 180 models may require dual-outlet rear valance from the 225 model
Part Description Tailpipe Style
· Centre Section
· Rear Silencer Dual 100mm GT100
 
Pipe Diameter: 69.85mm (2.75")