Q: This is in regard to the Nov. '01 and Feb. '02 "4xForum" topic Restricted Sixes. The reader asked about a restrictor cone in the air intake tube of 4.0 inline-sixes found in many Jeeps. I was ...
Why performance air intakes might be a great, low-cost investment if you’re looking for more power. Why are aftermarket air intake systems so popular? A related question might be, why replace the ...