BMW 640i downpipe for G32 b58 engine is entirely made of high-quality stainless steel by the means of the welding by TIG technique in argon medium.
• Improved Exhaust Sound;
• Improved Power;
• Diameter 3,5 inch (89mm), wall thickness 2mm;
• Complete high-quality stainless steel (AISI 304);
• Double-sided welding of flanges and most loaded joints;
• Oxygen sensor ports by standard scheme;
• 100% OEM fit, easy to replace factory part;
• All the necessary fasteners are in set;
This product can be also used for BMW with B58 engine.
ALSO AVAILABLE B58 DOWNPIPE WITH 200 cell sports cat