BMW M3/M4 S55 Decat Downpipes
Stainless Steel 
The downpipe is 3" straight out of the turbo 
Better gas flow 
Sharper throttle response
 
 
 
Will fit the following models perfectly: 
M2 Competetion
M3
M4
 
We recommend professional fitting. 
Please note with the M2 competition and the later M3 and M4, the PPF filters will need coding out and the sensor removing.
 
This product comes with lifetime warranty.

We offer fitting at our workshop in Thatcham, RG19. Please get in contact for more details