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bored v6

  1. xX_STX_Xx

    Air intake on 2.9L.. Worth it or not??

    Hey, guys, whats up. I have an 87 Ranger STX, 2.9L bored .20 over. i was reading through the tech forums and i saw the air intake topic. Is it worth removing the air box? will i get the promised 10hp increase from K&N? This would greatly help!! Oh and by the way, half the reason i asked is...

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