magrag Posted May 7, 2008 Report Share Posted May 7, 2008 Just got off the phone with Corsa and have an answer about 14311 vs 14313. 14313 is for a modded gt500 with lets say headers, biggger blower, making lots more power. Therefore more noise so 14313 will keep it from becoming waaaay to loud. The tech said that 14311 is best for cai and minor mods or stock. Link to comment Share on other sites More sharing options...
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