Nope, sorry... I have a lot of Steeda stuff on the engine and car... but I put the TA/MAF/Underdrives on at one time, so I saw a combined increase... I don't know which one helped more, but I also don't have the track times to compare to.. I try not to go out there much. I did notice some difference though.
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// 1998 GT-Steeda Conversion \\ -- Sold
// Now own 2001 F-150 SuperCrew 5.4L \\
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