a true tuner. Apexi runs their JGTC MRS off the PFC and Toshi at Apexi runs his 1000 HP R34 GTR with it as well with no problems. :) The thing I like about the AEM stuff is that it has a built in 2 stage launch control and traction control. :)
**Dynoed at 371.2 rwhp. and 362.3 rwtrq. @ .9 bar on pumped 91 gas no time tweaking 3/11/31/03** **Dynoed at 411 rwhp. and 452 rwtq. @1.15 kg. on race gas 104 no time tweaking 3/28/03**