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Discussion Starter #1
thinking about shutting off the AFM on my car. How much will it negatively affect fuel mileage?
 

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I bought the plug in module to stop the AFM and acually pickup MPG. Love the true sound of the V8 with out the AFM bull$$hit.:D
 

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i havent lost anything but that annoying sound.. cant wait to delete for real with cam swap...
 

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I don't think you will lose any MPG if you just turn it off and leave the rest stock. I added headers, high flow cats and an MBRP exhaust and if I drive nice I still average over 21 like I did before the mods. Now the car just sounds so **** nice when you step on it a little, but most of the time I still average about 20 mpg. I don't do much driving in town in stop and go traffic with most of it on country roads. That is how my mpg averages is higher. I would guess if I did drive in town more my mpg would be closer to 16 or 17.
 
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