Engineering Asked by Ardalan G. on February 8, 2021
Looking to install OEM active valve mufflers on my 2019 Mustang EcoBoost.
Wondering if the valves opening and closing, thus changing exhaust back-pressure would cause the engine to run lean/rich and do long term harm to my bone stock car.
Long term reliability has priority over sound for me but if it has ZERO effect then I will go ahead and do this.
Thanks in advance
An OEM setup will be fine. Ford will have different fueling maps set up for each setting. Doing this without the electronics built in would be a mess but it's quite safe as long as the car knows what is going on with the exhaust.
Answered by Tiger Guy on February 8, 2021
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