For maximum effect, Charge Pipe both increases flow and improves the reliability of your S63 The aluminum pipe replaces the brittle factory plastic pipe which can fail under increased boost pressure. The increased piping size helps to reduce turbulence and maximize flow into the engine. Lightweight High Grade 6061 Aluminum Piping Increased Flow Direct OEM Replacement Caliber increase 3-Ply Silicon Couplers Bung for water injection Never blow up again 2X 1/8 NPT Methanol Injection3. Include:Same as the picture. Doesn’t come with installation instructions. We recommend professional installation Only. Your Full and Correct Address, Postcode(Make sure address is correct and we sent the goods only by the eaby address). Our logistics department cannot deliver your orders during weekends / holidays / office closed hours or at special timing. Import Duty & Other Charges. It will surely help us in better serviceability and would also assist us in improving our business standards. We assure you of resolving it in the best possible way. China Beijing time (GMT+8.0). Monday to Friday only(excluding Holidays).