Exhaust valve normally open and switch valve for exhaust pipe sound control for Golf 7 Sizes 51 mm, 63 mm, 76 mm Material and durability Stainless steel material Heat resistant and durable Easy to maintain, helps reduce replacement cost Key benefits Improves exhaust flow for smoother operation and improved response Increases overall performance and driving comfort Sound control capability to adjust exhaust note Durable construction supports long service life Function and performance Provides smoother exhaust flow and helps optimize engine performance Its main function is to discharge the exhaust gas generated during engine operation, ensuring the vehicle runs with normal internal pressure Compatibility and sizing Compatible with Golf 7 exhaust systems Available in 51 mm, 63 mm, and 76 mm sizes to suit different exhaust piping configurations Use scenarios Daily driving upgrade: Install on a Golf 7 to achieve smoother exhaust flow and more controlled exhaust sound during regular commuting Sport or performance driving: Use the valve to adjust exhaust note and improve perceived throttle response during spirited driving Maintenance or replacement: Durable stainless steel design helps reduce longterm replacement costs and maintain consistent performance over time