Our 2006-08 BMW E85/6 Z4M "Catted" Section 1s are 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. We only use Catalytic Converters made by Magnaflow. The Magnaflow Converters are 49 state legal, OBDI and OBDII EPA Compliant, and feature Full Stainless Steel Construction. ID of piping is 60mm or 2.36". Our Section 1 is Fully TIG welded and made in the USA.
*Please note these are made to order and build time takes about 2-4 weeks after placing order.*
* For Off Road or Race Use Only *