Quote:
Originally Posted by PeoplesChoice
How do you do this? Is it an additional piece of exhaust I need to buy?
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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/