Feature 1Application: Parking heater exhaust pipe muffler can be used for 24mm exhaust pipe, suitable for Eberspacher Airtronic D2 D4 D4S D1LC D3LC, etc. 2Improve Exhaust Sound: Parking heater exhaust pipe silencer can effectively improve the exhaust sound to bring you a better riding experience. 3Stable Performance: Constructed of high strength aluminum alloy material, the pipe muffler can dissipate heat fast, and is not easy to deform and rust. 4High Reliability: Parking heater muffler pipe is manufactured to meet standard specification, strictly follow factory quality control, safe and dependable. 5Package Including: The package includes 1pc 24mm aluminum pipe silencer, 2pcs clamps, and 2pcs screws, perfect aftermarket replacement.Item Type:ParkingHeaterExhaustPipeMufflerMaterial: Aluminum AlloyOuter Diameter: Approx. 24mm (0.94inch)Inner Diameter: Approx. 18.5mm (0.73inch)Exhaust Funnel Type: StraightInternal Structure: Straight LineDescription: Effectively improve the exhaust soundto give you a better riding experienceApplication:For 24mm exhaust pipeFor Eberspacher Airtronic D2For Eberspacher Airtronic D4For Eberspacher Airtronic D4SFor Eberspacher D1LCFor Eberspacher D1LC CompactFor Eberspacher D3LCFor Eberspacher D3LC CompactFor Eberspacher D5LC .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Muffler2 x Screw2 x Clamp