Rieger rear diffuser, or rear bumper insert, for the Audi A5 and S5 (B8/B81), built 10.11–06.16, in coupe or convertible form before the facelift. Designed for vehicles with the S-Line exterior package. Made from ABS plastic, it is available in a paintable finish, carbon look or gloss black.
The diffuser is designed for twin tailpipes on the left and right, with an oval size of 115 x 85 mm. Mounting equipment is included.
Note: The tailpipe cut-out is suitable only when used with a Rieger 4-pipe rear exhaust silencer, 4x 115 x 85 mm oval. Not suitable for vehicles with a towbar.
Suitable for: Audi A5 I (B8), Audi S5 I.
Manufacturer’s vehicle data
- A5 (B8/B81): 10.11-06.16 (ex facelift) – coupe, convertible
- A5 S5 (B8/B81): 10.11-06.16 (ex facelift) – coupe, convertible
Original data from Rieger Tuning. Please check model, year and version of your vehicle before ordering; if in doubt, contact us and we will check for you.
Versions
- ABS, needs painting — for twin tailpipes left and right (115 x 85 mm oval)
- ABS, needs painting — for tailpipe trims left and right (185 x 120 mm oval)
- Gloss black — for twin tailpipes left and right (115 x 85 mm oval)
- Gloss black — for tailpipe trims left and right (185 x 120 mm oval)
- Carbon look — for tailpipe trims left and right (185 x 120 mm oval)
Approval
This part comes with a German Teilegutachten (parts certificate); the document is included. In Germany the part must be entered in the vehicle registration after fitting.
Manufacturer part no. (Rieger): 55470, 55474, 88018, 88038, 99126

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