BMW E85/6 Z4M Section 1 With Catalytic Converter, EGT and 02 Bungs, is made from the same mandrel bent Polished T-304 Stainless Steel with CNC Machined Flanges like all of our Exhaust products and feature our Limited Lifetime Warranty does not include resonators, bungs, tabs, brackets or Catalytic Converters. We only use Catalytic Converters made by Magnaflow. The Magnaflow Converters are 47 state legal, OBDI and OBDII EPA Compliant, and feature Full Stainless Steel Construction. ID of piping is 63.5 mm or 2.50″. Our Section 1 is Fully TIG welded and made in the USA. BACK ORDER: These are not a production part, * So, please note these are made to order and build time takes about 6-8 weeks after placing order.* * For Off Road or Race Use Only *
