A larger throttle body is key to producing additional power throughout the power band on modified engines with increased airflow demands. The new Grams Performance and Design MKIV throttle body features a large 70mm bore, which results in significant horsepower gains throughout the power band on heavily modified, naturally aspirated applications and even more on forced induction ones.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2003 | Volkswagen | Golf | GTI 1.8T |
| 2003 | Volkswagen | Golf | GTI 20th Anniversary |
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