Iam getting fed up with the induction noise my car makes when on the motorway so am thinking of changing to a HIF38 and a standard airbox which has been drilled to improve airflow. How much difference will this cause to the engine? I know i "should" get it rolling roaded but im not sure if ill be able to afford it
Alternatively should i just put the standard airbox onto the HS4? will this still make a huge difference?
HS4 and cone filter to HIF38 and stadard airbox
Started by
who_loves_the_mini?
, Apr 12 2006 05:28 PM
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