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Has anybody heard anything goodabout the Power upgrade pak from SLP for 2005 GT with Loudmouth exhaust.50 extra HP with CAI, tune and pulleys sounds alot to me.
iw as going to say it probably includes the long tubes. its not HORRIBLE, but HP numbers are about right, i got 310 with cai.tune and full slpexhaust with high flow cats (including the LT)