They didn't have the upgraded cam sound but it did make me a little more power. I think it would of made me alot more power if i would of had adjustable cam gears with them. The only reason i bought these 256 cams is because I broke the stock exhaust cam while installing the CAS a year ago. Now i'm running a solid lifter setup with 270 duration tomei cams and a to4r turbo.
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