The Range AFM/DFM Disabler allows your V6 or V8 GM vehicle to run in full cylinder mode, preventing the Active or Dynamic Fuel Management system from dropping cylinders. Simply plug it into your OBD-II port to disable the AFM system and maintain full power. It does not reprogram your factory ECU, and you can unplug it to return to factory settings. Compatible with all V6 and V8 GM vehicles, including cars, trucks, and SUVs.
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| S | 27in | 20in | 34in |
| M | 28in | 22in | 35in |
| L | 29in | 24in | 36in |
| XL | 30in | 26in | 37in |
| 2XL | 31in | 28in | 38in |
| 3XL | 32in | 30in | 39in |
| 4XL | 33in | 32in | 40in |
| 5XL | 34in | 34in | 41in |
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| S | 27in | 20in | 34.5in |
| M | 28in | 22in | 35.5in |
| L | 29in | 24in | 36.5in |
| XL | 30in | 26in | 37.5in |
| 2XL | 31in | 28in | 38.5in |
| 3XL | 32in | 30in | 39in |
| 4XL | 33in | 32in | 39.5in |
| 5XL | 34in | 34in | 40in |
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| Size | Shirt Length | Chest Width |
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| S | 28in | 18in |
| M | 29in | 20in |
| L | 30in | 22in |
| XL | 31in | 24in |
| 2XL | 32in | 26in |
| 3XL | 33in | 28in |
| 4XL | 34in | 30in |
| 5XL | 35in | 32in |
| 6XL | 36in | 35in |
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| S | 26in | 40in | 17in | 26in |
| M | 28in | 44in | 18in | 27in |
| L | 28in | 48in | 19in | 27in |
| XL | 30in | 52in | 20in | 28in |
| 2XL | 30in | 56in | 21in | 28in |
| 3XL | 31in | 60in | 22in | 28in |
| 4XL | 32in | 64in | 24in | 29in |
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