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Yes i made the switch to the Ysi. I gained a 100whp/tq through the midrange and 65whp/110tq peak. On e35. I really need a lpfp upgrade. Car pulls soo much harder. Can't wait to get to the track and see what she'll do. Hopefully in the next couple weeks ill get a chance.
Were you seeing a dip in rail pressure on pump gas or just e35? Is that why you're saying you need a secondary low pressure side upgrade?
