E82 BMW Serie 1 M Coupé (340 Hp) '11 -> Dyno testing

Supersprint full exhaust system including:

- n. 980211 Turbo downpipe kit (replace pre-catalytic converter )
- n. 980902 Front exhaust with Metallic catalytic converter Right + Left
- n. 985903 Centre exhaust
- n. 046206 Rear exhaust "Racing" OO80 Right - Left