A.I.TECH AIT-DADO-19 Steel coppered nut 12x1,5, ex 17mm, o.d. 25mm, spherical SEAT, total lenght 27mm ymm_45 and the ECE certificate is

and the ECE certificate is valid only for these cars

This system fits also on vehicles equipped with Otto particulate filter (OPF)

it totally embraces the pure turbocharged inline six-cylinder sound

remapping the ECU is recommended

the design and construction of the exhaust leads to optimization in the power and torque levels throughout the entire rev range

A.I.TECH AIT-DADO-19 Steel coppered nut 12x1,5, ex 17mm, o.d. 25mm, spherical SEAT, total lenght 27mm ymm_45 and the ECE certificate isKnowledge from competition experience has led the manufacturer to use a dissimilar material for the nut from that for the wheel stud. The additional copper coating of the nut assures security.