http://www.lexuspros.com

^I found that website a few weeks ago and I am currently having them rework my ECU as we speak. They claim a 30hp increase at 6000rpm and a 50tq increase at 1750rpm for my Lexus. I emailed them because I was curious if they did upgrades for other makes and models. Turns out they have a whole list:

Acura/Honda
NSX
INTEGRA
CIVIC
DEL SOL
PRELUDE
ACCORD

Lexus
GS400
GS300
SC400
SC300

Mazda
RX-7 TWIN TURBO
RX-7 TURBO
RX-7
MX-5/MIATA
MX-6 TURBO
323GTX

Mitsubishi
3000GTVR-4 6MT
3000GTVR-4 5MT
3000GT
ECLIPSE GSX
ECLIPSE GS-T
ECLIPSE GS
GALANT VR-4
STARION

Nissan/Infinity
300ZX TWIN TURBO
300ZX
240SX
SENTRA SE-R
SENTRA SE
200SX SE-R
NX2000
MAXIMA
G20
Q45

Chrysler
CONQUEST
STEALTH TURBO 6MT
STEALTH TUBRO 5MT
STEALTH
LASER

Ford
PROBE TURBO
PROBE

Toyota
SUPRA TT
SUPRA
SUPRA T
CLICA ALL TRAC TUBRO
CELICA GT-S
MR2 TUBRO
MR2
MR2 SUPERCHARGED
COROLLA GT-S
CAMRY
PASEO
TACOMA/T100

You can email these guys at LexusPros@aol.com if you have any questions for them (tell 'em Hites sent ya ). They seem to know what they're doing. I hope this info helps out some of you fellers who either want a quicker NA or juiced car or just want some more power for your daily driver.