Downpipe Mst Performance + catalyst for BMW M340i 540i 640i 840i Z4 M40i 3.0T B58 - non OPF

* FOR MOTORSPORT USE ONLY*

This is one of the highest-efficiency downpipes worldwide.

Suitable for BMW/Toyota B58 3.0 engine vehicles.

Bringing even more performance & exciting exhaust sounds to your vehicle.

 

 

Features

* Largest diameter downpipe for B58 worldwide

* 6" diameter Euro 6 400 cell catalytic converter

* No CEL guarantee

* Large diameter design gives you the same efficiency as straight pipes

* CNC adapter corresponding to largest diameter design turbos

* Dyno test results on stock vehicle, additional 18-25hp & 4kgm, also enhances performance for tuned vehicles.

* Suitable for 1000hp or more vehicles

* Greatly reduces exhaust pressures & temperatures

* Possesses both performance & cleaner exhaust emission

* Suitable for either stock or tuned vehicles

* We have versions for both GPF and non-GPF vehicles

 

Fits:

BMW M340i 3.0T B58 2019-2023

BMW 540i 3.0T B58 2016-2023

BMW 640i 3.0T B58 2017-2020

Toyota Supra (MK5) 3.0 GR (B58) 2019-2023

BMW Z4 M40i (G29) 3.0T (B58) 2019-2023