Catback Performance Exhaust

DIRENZA 3 STAINLESS CATBACK EXHAUST SYSTEM FOR BMW 1 SERIES F20 F21 M135i 12-16


DIRENZA 3 STAINLESS CATBACK EXHAUST SYSTEM FOR BMW 1 SERIES F20 F21 M135i 12-16
DIRENZA 3 STAINLESS CATBACK EXHAUST SYSTEM FOR BMW 1 SERIES F20 F21 M135i 12-16
DIRENZA 3 STAINLESS CATBACK EXHAUST SYSTEM FOR BMW 1 SERIES F20 F21 M135i 12-16
DIRENZA 3 STAINLESS CATBACK EXHAUST SYSTEM FOR BMW 1 SERIES F20 F21 M135i 12-16
DIRENZA 3 STAINLESS CATBACK EXHAUST SYSTEM FOR BMW 1 SERIES F20 F21 M135i 12-16
DIRENZA 3 STAINLESS CATBACK EXHAUST SYSTEM FOR BMW 1 SERIES F20 F21 M135i 12-16
DIRENZA 3 STAINLESS CATBACK EXHAUST SYSTEM FOR BMW 1 SERIES F20 F21 M135i 12-16
DIRENZA 3 STAINLESS CATBACK EXHAUST SYSTEM FOR BMW 1 SERIES F20 F21 M135i 12-16
DIRENZA 3 STAINLESS CATBACK EXHAUST SYSTEM FOR BMW 1 SERIES F20 F21 M135i 12-16
DIRENZA 3 STAINLESS CATBACK EXHAUST SYSTEM FOR BMW 1 SERIES F20 F21 M135i 12-16

DIRENZA 3 STAINLESS CATBACK EXHAUST SYSTEM FOR BMW 1 SERIES F20 F21 M135i 12-16   DIRENZA 3 STAINLESS CATBACK EXHAUST SYSTEM FOR BMW 1 SERIES F20 F21 M135i 12-16
Designed in-house by Direnza engineers, our cat back exhaust system is a direct replacement for the stock cat back system. Engineered to achieve an increase in exhaust flow while enhancing the engine sound on the M135i's N55 twin turbo engine. -- Built in valve so the desired volume is in your hands ---CNC machined flanges ensure reliable and accurate fitment ---Manufactured from highest quality T304 grade stainless steel ---3 Bore for maximum gas flow which gives instant performance gains along with enough bore for more power in the future ---Mandrel bent & tig welded pipework Dyno Testing: Stock: 296.2hp 487.1nm Exhaust: 315.1hp 489.4nm (+18.9hp +2.3nm) Fits: BMW 1 Series F20 F21 M135i 2012 - 2016.
DIRENZA 3 STAINLESS CATBACK EXHAUST SYSTEM FOR BMW 1 SERIES F20 F21 M135i 12-16   DIRENZA 3 STAINLESS CATBACK EXHAUST SYSTEM FOR BMW 1 SERIES F20 F21 M135i 12-16