Posted November 13, 200519 yr comment_145796 TWM lists two air horns for the Japanese SU.1 3/4" with44 mm Air Entry 2700-4450 44 50 88 FR 1 3/4" with48 mm Air Entry 2700-4850 48 50 88 FR Which should I buy to pair with a pair of ITG air cleaners? MSA sells some too but I have heard they are smaller than stock air horns. I believe the MSA ones are by TWM as well.http://www.twminduction.com/AirHorn/AirHorn-FR.html Link to comment https://www.classiczcars.com/forums/topic/18002-what-size-air-horn-to-use/ Share on other sites More sharing options...
November 14, 200519 yr Author comment_145825 Mods. please delete this thread. Link to comment https://www.classiczcars.com/forums/topic/18002-what-size-air-horn-to-use/#findComment-145825 Share on other sites More sharing options...
November 14, 200519 yr comment_145866 Mods. please delete the other thread. but but I replied to the other one! dump this one Link to comment https://www.classiczcars.com/forums/topic/18002-what-size-air-horn-to-use/#findComment-145866 Share on other sites More sharing options...
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