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Ive recently fitted a K&N 57i kit to my clio 2002 1.2 and ever since there has been a VERY ANNOYING wooshin noise wen my throttle is about mid-way! Ive contacted K&N direct and they assure me its NORMAL ??? Its not the throaty Grrr but more of a whistle till i pass mid range then it roars like it should...? Oh and before anyone asks, yes i have checked and double checked tightness of ALL nuts bolts and screws/clamps etc. any info would be much appreciated,
Cheers guys