Applicable models
BMW F80-M3
BMW F82-M4

181-00855-VT
Exhaust System F826tb (Not for vehicle inspection)

Performance for increased boost.
The rear silencer is a straight structure with low exhaust resistance up to the high rpm range. It is smooth regardless of whether the flaps are opened or closed, contributing greatly to performance.
Layout
Middle Pipe, Rear Silencer
Main Pipe
D=70mm x 2
Material: Stainless Steel SUS436
Silencer
Material: Stainless Steel SUS304
Sub Silencer x 2
Rear Silencer x 2
Finisher
D=90mm x 4
Material: Titanium (Anodized)
Exhaust Flap
D= 70mm x 2
Stock actuator is diverted.

Exhaustnoise (flap: closed)
Cold start 93dB
Idling 66dB
Proximity exhaust noise 87dB

Exhaust noise (flap: open)
5500rpm 101dB

185-00871
Down pipe (Not for Vehicle Inspection)

A downpipe is a must-have item for performance.