Evolution Link Pipe Set (SS) was tested and developed together with Slip-On Line (Titanium).Please note that both product codes, S-BM/T/17H and E-BM/SS/8 must be ordered for cars without otto / gasoline particulate filter.Fitment notice: The Evolution Line (Titanium) only fits on non-OPF vehicles. For non-OPF vehicles, the ECE type approval certificate is not valid.This product also fits on the BMW M340i xDrive Touring (G21) model.THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.