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I have speed density on stock ecu with fp red and you don't gain any power. Its just a different way to read the air going into your engine and the ability to vta. I love it for the fact that if I blow off IC piping I can still drive it temporarily to a safe place to put it back on.
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FPRed - 880cc injectors - Walbro 255 - Comp 280's - Prostreet Adj. cam gears - Shep trans and t-case - ACT 6 puck - EPM o2 dump - Ebay downpipe - HKS catback - ETS short route piping - Ebay fmic - 3" mafless intake - Tien S-tech's - ARP headstuds - AEM Tru Boost - AEM UEGO
Stock block - Stock head - Speed Density
TTR tuned 435 hp & 355 tq - 93 octane
494 hp & 415 tq - Q-16
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