Quote:
Originally Posted by Valvetronic Designs
We recommend getting a set of:
Secondary Cat bypass pipes
from another company. These will assist you in your goal of making your car a decent chunk louder. There are multiple companies making these pipes. Here is a link to a product that we have used in the past and had great sucess:
https://x-ph.com/mad-bmw-f90-m5-f92-...dary-downpipe/ |
Will these work on an F93? Also, will adding these require a tune and/or cause a CEL?