Racepak Air Fuel Module - Single Channel H75915F 1-5/8" mandrel bent primary tubes

1-5/8" mandrel bent primary tubes and 2-1/2" collectors with merge spears for increased exhaust velocity

Whether your engine is bone stock

Ford Mustang 1979-95

High Water Flow Ratio

Fits MAC1 or MAC3

Racepak Air Fuel Module - Single Channel H75915F 1-5/8" mandrel bent primary tubesRacepak Air Fuel Module Single Channel Racepak LLC was founded in 1984 by Spencer Eisenbarth and Ron Armstrong, originally as Racepak and its parent company, Competition Systems, Incorporated (CSI). Both men were engineers with strong backgrounds in electrical and mechanical applications, and both had an interest in motor sports. Through an earlier joint effort aimed at obtaining data for the improvement of the Unlimited Hydroplane that Armstrong was