BMW Exhaust System for 640i Modified
BMW exhaust system is a modified model for 640i .
The system includes front,mid and tail part.
Also contain valve control.
BMW 640i Exhaust System Features
Argon welding and vacuum welding inside and outside.
Introduced 304 stainless steel.
High anti-rust character.
Fine polishing surface treatment.
Various patterns is available.
Can design in term of drawings or specific requirement.