Fixed Frequency Mini AFC

$129.99

This product is currently sold out.

This product is intended for very high horsepower builds. It will lower your MAF frequency to 82% of the original value. This allows you to work around the 11,100hz limit in the ECU that creates tuning issues on cars making 350WHP or more.

This device lowers the MAF by 18% so you’ll need to multiply the PCM MAF table by 1.45. It is not adjustable.

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08/10/2017

Roger S.

Good Piece for people maxing out the MAF on LSJ PCM

Went from 11,500Hz down to about 8,000Hz. It will not be a simple PCM adjustment in the maf table. You pretty much have to return the maf table. I wot about 8kHz on 19psi with an s252et. You will need to consider the adjustable one if you plan to go over 450whp. Or make your charge pipe a larger diameter to reduce the airflow the MAF will see.

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Fixed Frequency Mini AFC

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Good Piece for people maxing out the MAF on LSJ PCM