DONGMAO BMW 650650i F06 F12 F13 Alpina B6 N63 4.0T (2011-2017) SS304 Upgrade Muffler

Overview

2011 BMW 650650i F06 F12 F13 Alpina B6 N63 4.0T SS304 built by Dongmao as a direct-fit exhaust system. Every unit is assembled on a platform-specific jig, so flange angles, hanger positions and tip alignment repeat from the first unit of a batch to the last.

Tube work is T304 Stainless with mandrel bends throughout. Welds are back-purged TIG, inside and outside, then checked for penetration before the part moves to finishing.

What is included

• Complete assembly as shown
• Export carton with foam protection