Carbon Fibre 4" (101mm) Bellmouth
6" (152.4mm) O.D. Suit Turbo or Intake Pipe

Aeroflow Performance Bellmouth-style velocity stacks are ideal for achieving maximum air velocity. Manufactured out of carbon fibre, these lightweight bellmouth velocity stacks increase the volume of air at your compressor inlet. 101mm (4") bellmouth has a 152.4 mm (6") O.D. so you can run an Aeroflow pod filter.