Feature:1. Application: Parking heater exhaust pipe muffler can be used for 24mm exhaust pipe, suitable for Eberspacher Airtronic D2 D4 D4S D1LC D3LC, etc.2. Improve Exhaust Sound: Parking heater exhaust pipe silencer can effectively improve the exhaust sound to bring you a better riding experience.3. Stable Performance: Constructed of high strength aluminum alloy material, the pipe muffler can dissipate heat fast, and is not easy to deform and rust.4. High Reliability: Parking heater muffler pipe is manufactured to meet standard specification, strictly follow factory quality control, safe and dependable.5. Package Including: The package includes 1pc 24mm aluminum pipe silencer, 2pcs clamps, and 2pcs screws, perfect aftermarket replacement.Specification:Item Type: Parking Heater Exhaust Pipe MufflerMaterial: 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 sound to 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.Package List:1 x Muffler2 x Screw2 x Clamp