Originally Posted by Gmendez

Just for the record, that's on the OEM NISMO exhaust and no tune (Uprev or other) right? I'm thinking of getting either the FI LTH's or Berk HFCs, but I'd like to keep my NISMO exhaust. I'll also be installing the Stillen G3 as well and I'm trying to get a fell for the kind of numbers I could expect. The extra ponies from the LTHs have to bee worth the $1,250 for me....