Unleash the power hiding in your factory Engine Control Unit (ECU.) NEUSPEED engineers reprogram your ECU chip to optimize ignition timing under part throttle and full throttle load, and raise the rev-limiter and top speed governor.  Horsepower is increased by approximately 11hp at the flywheel.  CARB approved (D236-10) when used with a K&N air filter or NEUSPEED P-FLO.

For VW Golf III & Jetta III 2.0L 8V, 1996-99.  91 octane or higher fuel must be used with this chip.  Factory chip is pressed into a socket on the printed circuit board, so you, or any skilled technician, can install the chip by following our detailed instructions.  Chip programs are specific to each unique ECU code, so we must have your exact 9 to 11 digit ECU code to process your order.  The ECU code is found on the top of your computer and starts with this group of numbers: 037 906 259...