CA18ET Max hp?

[s13eater]

my screamer is fairly load, so you maybe best using one that joins back in, although if you used a large external wastegate with a large screamer pipe, then it would probley be less noisy.

[s13eater]

Originally Posted by s13eater

hi craig, the so called ported SE head flowed 85cfm, mine flowed around 94 cfm, but that was with only a 81mm bore adaptor, it would have flowed more, but andy @ amt din't know it was a 83mm bore until i showed him the s12 manual.

the SE one was 75 cfm not 85 cfm, i went to AMT and had him look up the graph.