Fits the vehicle:
Geo Prizm, 1989-1991
"Be Certain That Unit Is Tightly Fitted Inside Intake Hose, Should Not Block Any Vacuum Or Blow By Hose In Any Way, IMPROPERLY FITTED UNIT Could Slip, Cause Dangerous Open Throttle Condition, Unit May Be Installed On Either The Throttle Body/Air Sensor/Filter Side".
- 1989-1989: 4Cyl 1.6L "Gas, FI, MFI, 98, VIN "6" Base
- 1991-1991: 4Cyl 1.6L "Gas, FI, MFI, Vin 6, 4AFE" Base
- 1991-1991: 4Cyl 1.6L "Gas, FI, MFI, Vin 6, 4AFE" GSi
- 1991-1991: 4Cyl 1.6L "Gas, FI, MFI, Vin 6, 4AFE" LSi
- 1990-1991: 4Cyl 1.6L "Gas, FI, MFI, VIN "A", 4AGE" GSi
If you don't see your model here, call us at 1-800-913-6119, or click here for a live chat with a parts specialist.
Tornado
For better fuel efficiency, just install the Tornado fuel saver. The Tornado gas saving device saves gas, increases miles per gallon and improves fuel economy. What exactly is a TORNADO? It's an air twister with years of research and development behind it. TORNADO has been tested at a CARB recognized lab demonstrating an average increase of 1 to 2 MPG. It pays for itself in a short time. The Tornado's unique airflow dynamics creates a swirling, fast-burn effect in the combustion chamber. This creates finer particles (atomized fuel), allowing better flame propagation and more complete combustion, resulting in gas mileage increases averaging 1 to 2 MPG. These figures are confirmed by road testing performed at an emission lab licensed by the EPA. The TORNADO requires no maintenance and is an affordable addition to most passenger cars, light trucks and RVs on the road. TORNADO installs in 3-Easy steps in usually takes less than 10 minutes to complete.
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Overall Rating: 
5 out of 5
Smart Move,
August 30, 2008
By Jon from Westport WA
| Appearance: | | 5 out of 5 |
| Ease of Use/Installation: | | 5 out of 5 |
| Quality: | | 5 out of 5 |
| Performance: | | 5 out of 5 |
- Pros: Saves gas-easy to install
- Cons: Works on many vehicles, not every vehicle
"Before I installed the Tornado I was getting 31.4 MPG on the highway; after I was getting 34.8MPG with a full trunk the windows cracked and another person in the car. I'm getting one for my other car."
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Overall Rating: 
5 out of 5
Awesome Product,
January 01, 2008
By BoneShkr from Rockland County, New York
| Appearance: | | 5 out of 5 |
| Ease of Use/Installation: | | 5 out of 5 |
| Quality: | | 5 out of 5 |
| Performance: | | 5 out of 5 |
- Pros: Saves Gas, Forces more air into combustion chamber, No moving parts!
- Cons: none
"I originally had installed this product at the neck of the throttle body, but later moved it into the cold air tube. the results were immediate. I had a quicker response off the line, and I increased my fuel savings to a total of 220 miles. Verse the 180 "