| Q's on the gruppem intake for e46 m3
anyone have this intake. it seems to be the only intake out there that doesn't change the back half of the intake (like the hamann does). claims of 10hp i believe. does it really add hp and increase throttle responce. is the intake louder. in your opinion, is it worth the $1300 they are asking. thanks.
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2003 M3
Steel Grey Metallic
PP, Bi-x, 19's, HK |