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Designed for front grille opening integration
Enhances the natural trunk lines for a cleaner look
fold them in for normal driving and parking
The sensor threads directly into the factory mounting location—no adapters or fabrication needed
Audi A5 Quattro S-Line B9 4-Door Sportback (2017–2024)
AEM Electronics No-Weld O2 Oxygen Sensor Bung Mount 3.5" crx Designed for front grille openingAEM No Weld O2 Sensor Mount requires no welding at all. Installation is quick and easy. Simply drill a hole in the exhaust piping, install the gasket, and bolt on the clamp. If you need to install an oxygen sensor and welding is not available, this solution is a life saver. You can have a wideband installed in your car in minutes. NOTE: Oxygen sensor sold separately Quick and easy No welding required Gasket included Fits 3. 25" to 3. 5"