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Audi A4The Audi A4 model offers nimble handling and performance that makes it one of the leading cars in its class. Read more about the Audi A4 in the Audi A4 review.
Would using a MBC with the apr chip and setting the mbc to 18psi, which is what im getting from the chip right now, help with surging? or would it be a complete waste of money?