Dinan Air-To-Air high Performance Dual Core Intercooler | F22 · F23 228i · M235i · F30 · F31 · F34 328i · 335i · F32 · F33 · F36 428i · 435i | 2.0L Turbo I4 [N20] · 3.0L Turbo I6 [N55] G30 M550i 4.4L Turbo V8 [N63] Most aftermarket axle back systems

Most aftermarket axle back systems reduce down from 3" (76mm) to 2

The muffler cover is then installed forming a seal with the factory gasket

Perfect Fitment specific to vehicle models

on the G30 M550i equipped with a Dinan exhaust

Dinan Air-To-Air high Performance Dual Core Intercooler | F22 · F23 228i · M235i · F30 · F31 · F34 328i · 335i · F32 · F33 · F36 428i · 435i | 2.0L Turbo I4 [N20] · 3.0L Turbo I6 [N55] G30 M550i 4.4L Turbo V8 [N63] Most aftermarket axle back systemsGreater power gains are achieved with a larger high performance intercooler. The Dinan dual core intercooler provides a 240% increase in face area along with an equally impressive increase in volume, substantially reducing the pressure drop to 0. 8 psi, as well as providing for more efficient heat exchange and more consistent output power. Dinan's unique dual core design allows 2 separate cores to be working in conjunction with one another at all