Performance mods available and power from them. (updated 1/17/2006 courtesy Ian, vwvortex)
Exhaust
flapper mod (10lb-ft of torque at low revs, and 10+hp gain in 1st and 2nd gear
at all revs and +5hp at high speeds/high revs. Seems it's never fully deactivated
by ECU .)
Neuspeed chip - 7 hp claimed
GIAC
91 octane chip - +7whp +12 lb-ft
GIAC
91 octane tuned for CAI chip - +12.5 whp, +14lb-ft
GIAC
93 octane and 93+CAI chip - available, but dyno gains
unknown
Fastest/quickest
NA US Spec R32s are running GIAC + CAI program (mid 13's@~100)
APR
91/93/100 octane chip - 93 octane +15hp +16 lb-ft on a hub dyno
(not at the wheels or crank)
AmD Stage I (chip) - 260hp crank (not tested on a dyno in the
AmD Stage II (chip+exhaust) - 270
hp crank
AmD Stage III (chip+exhaust+cams)
- ~300hp (no dynos of this available anywhere)
VF-engineering
Stage I (6psi supercharger) - 320hp
VF-engingeering Stage II (6.5psi + intercooler) - 350hp
VF-engingeering Stage I - high octane (6.0 psi
+ 100 octane software) - 375hp
VF-engingeering Stage II - high octane (6.5 psi + intercooler + 100 octane software) - 400hp
EIP
single turbo Stage I (4psi) - 350hp (295 fwhp) Now
available $6.5-7k
HPA
FT360 single turbo (360hp- Now available $8k)
HPA
FT400 single turbo (400hp - Now available $11k)
EIP
single turbo Stage I (9psi) - 336 awhp (somewhere on
the order of 430bhp) Now available, same price as above
EIP
single turbo Stage II (hp unknown, but in development)
HPA
twin turbo Stage I (425hp)
HPA
twin turbo Stage II (550hp - $30k)
EIP
single turbo Stage 4 (600fwhp, 585awhp demonstration car)
Results of a huge dyno day organized by Jeremy (rabbitgtibbar)
Original dyno day thread: http://forums.vwvortex.com/zerothread?id=2351853
Results: http://forums.vwvortex.com/zerothread?id=2394800
with many of the above NA and FI options represented.
More discussion of results: http://forums.vwvortex.com/zerothread?id=2391123
Among many interesting results, one stands out to me:
Stock - 200-207 awhp (at 23% drivetrain loss that's about 259-268 bhp, which is well above rated 240hp)
Performance chips for the R32
APR
(Serially programmed. Up to 4 programs can be loaded at once and switched
between via cruise control buttons)
GIAC
(Serially programmed. Several programs can be loaded at once, and switched via laptop,
or handheld interface that plugs into OBDII port)
AmD (see claimed gains above)
Neuspeed (modest gains, but inexpensive)
Wetterauer
EIP
8-9hp and 8-14 ft/lbs torque.
Revo - claimed 10-12 hp and 10-15 lbs of torque