RD674 -STAINLESS EXHAUST MANIFOLD DECAT FOR BMW 1 3 SERIES E87 E90 E91 116i 318i. Please note: This item has been fitted. Please see images for reference. Manufactured from highest quality T304 grade stainless steel.Mandrel bent and fully TIG welded for strength and durability. CNC machined flanges for strong, solid support and an accurate fit. 4-1 design for maximum gains at the top end of the rev range. Direct replacement - both gaskets included. This manifold is only suitable for the N46B20 engine. This item is in the category "Vehicle Parts & Accessories\Car Tuning & Styling\Performance Exhaust\Performance Manifolds, Headers". The seller is "dcp-tuning" and is located in this country: GB. This item can be shipped to United Kingdom.