Cat Back Exhaust System – BMW X5 E70 M57 3.0SD 07-08

Designed to get the most out of the M57 straight 6 diesel engine Mandrel bent and fully TIG welded for strength and durability CNC machined flanges for strong, solid support and an accurate fit Designed to improve power and torque across the entire RPM range Manufactured from highest quality T304 grade stainless steel