BMW 340i Resonator (F30 LCI/F31 LCI) (15-19) GPF/PPF Delete Performance Exhaust Part_Resonator Delete Filter Material: 15mm Dual Layer

Filter Material: 15mm Dual Layer Foam

Example of the Cobra Sport BMW M135i Exhaust (GPF Back with Rear Box)

That being said

Will work  with standard air box or our induction kit (JSK-123 & PRK-123)

making for a somewhat muted and disappointing final article

BMW 340i Resonator (F30 LCI/F31 LCI) (15-19) GPF/PPF Delete Performance Exhaust Part_Resonator Delete Filter Material: 15mm Dual LayerFits both PPF and earlier pre PPF models requires mandatory ECU reflash when fitted to PPF models. Fitment to PPF equipped models is for motorsport and off road use only. Cobra Sport performance exhausts enhance the sound, looks and quality of your vehicle giving you the ultimate driving experience. Our sports exhausts range is fully guaranteed to give you assurance of our quality. This BMW 340i performance exhaust is made in 3inch 76. 2mm pipework