| Stock Hummer TB / Ported & modified TB |
| Side view of the TPS |
| Front view |
| Note the addition of the extra TPS This was added to run a 4L80E. The aftermarket controlers will not work on the Hummer at this time and there is no tuning software to patch the 4L80E into the Hummers ECM. |
| Hummer ported throttle body with custom external TPS |