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Originally Posted by CiRiS91GT
i have asked this question like 3 times, i dont ant to tinker with the air flow simply because the way toyot has it set up seems pretty efficient and i dont give a shit about sound... will i notice much of a gain by doing up a cold air intake system?
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gains are very noticable after 3000 rpm if proper outlets are in place. with out a proper exhaust and timing there is only sound and perhaps 1-2 hp to be found max