Hypertech doesn't list any products for the Tundra but I think I read on their forums that the Tundra 5.7L puts down 320'ish RWHP, thats pretty respectable too. As for the 5.4L........... 
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2009 Ram RCSB 5.7L Hemi Sport 4x4, 3.92LSD, Superchips Flaspaq, K&N drop in.
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