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Originally posted by thx247 no, on the GSR the cams switch over at 4400rpm, and the butterflys open up at 5800, anything else for a GSR is wrong or modified.
Originally posted by thx247 no, on the GSR the cams switch over at 4400rpm, and the butterflys open up at 5800, anything else for a GSR is wrong or modified.
ok ..but by getting rid of the stock gsr intake manifold and getting the Skunk2 version it gets rid of the butterflys and i'm told that that makes the exhaust tone deeper. Neone know that for sure.