181-00814 Exhaust System F304tb for F30/32/36-320i/420i

Applicable Models
BMW F30-320i Sedan (N20 Engine)
BMW F32-420i Coupe (N20 Engine)
BMW F36-420i Gran Coupe (N20 Engine)
*Sunroofs cannot be installed on the F36 Gran Coupe.

181-00814
Exhaust system F304tb

This is an inspection-compliant exhaust that can be installed on the N20 engine.
It has been developed to deliver turbo power up to high rpm ranges and is also compatible with increased boost pressure.
It features a pipe layout with equal length on both sides and a chamber in the center, making the performance and exhaust sound as sporty as possible while still complying with vehicle inspection regulations.
Requires the genuine rear diffuser AH3 or 435i. ( Can be installed without modification.)
Layout
Middle pipe, rear silencer
Main Pipe
D=60mm x1 (dual)
Material: Stainless steel SUS436
silencer
Material: Stainless steel SUS304
Middle silencer x1
Rear silencer x2, chamber x1
Finisher
D=90mm x2
Titanium (purple) anodized finish Titanium (silver) polished finish (discontinued)

COMFORT
Vehicle inspection compliant
Proximity exhaust noise: Left 88dB, Right 87dB
Acceleration noise level: 81dB (certified)