I thought the results showed you needed a pretty big cam to take advantage of this intakes enhanced breathing. I seem to remember that the gains on stock vehicles or slightly modded ones was minimal. I'm sure someone will chime in.
10secvette said:The 90 Fast will show 10 rwhp/ 10rwt over a ls6 intake on a 346.... This is on a h/c ls1. Stock engine, you are better off with stock ls6 intake.