Quote:
Originally Posted by Tazz3069
David or Lisa or Forum member. Please help me understand AFM. I want to order a system and not sure which kit to order. If this is deleted, will I get a CEL? What is the main purpose of the AFM? Why two sets of Cats? I need help understanding so I can purchase the right system for my car.
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I'm going to start with the conclusion of this post.
Our rear sections/axle backs install BEHIND THE FACTORY AFM VALVES. So, you do not need to purchase additional AFM valves with The Borla Rear Sections.
As a result, I recommend you start with one of our rear sections and then decide if you want to add a mid-pipe/X-pipe after that because AFM valves are only an issue with the mid-pipes/X-pipes that are added to our rear section to make a complete Cat-back.
For starters, do you have a manual or automatic transmission? I ask because there is no AFM with a manual transmission on these cars. At least the 2016 models.
AFM stands for "Active Fuel Management" which basically shuts off 4 of the 8 cylinders at cruise. This dramatically changes the sound, meaning an active exhaust system (with valves) is necessary.
Some enthusiasts disable AFM altogether (which is what I would do) and those Camaro owners do not require AFM valves. Others have a manual transmission and those do not need AFM valves either. Others are willing to tolerate the sound issues caused by AFM.
But, for those of you who have an automatic, want to retain AFM and don't want to deal with the sound issues, it's critical to have AFM valves.
With all of this said, our rear sections/axle backs install BEHIND THE FACTORY AFM VALVES. So, you do not need to ourchase additional AFM valves with The Borla Rear Sections.
As a result, I recommend you start with one of our rear sections and then decide if you want to add a mid-pipe/X-pipe after that.