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When you install high-performance long tube headers on your 2018-2024 Ford Mustang, the stock O2 sensor wiring is typically too short to reach the new sensor bungs. These BBK 16-inch O2 sensor extension harnesses are the professional solution to ensure your sensors are properly connected without the risk of wire damage or poor signal quality.
Whether you are driving a Mustang GT, Dark Horse, or EcoBoost, these extensions are a must-have for any exhaust modification project. They ensure your ECU receives accurate data from your O2 sensors, which is critical for maintaining engine safety and performance. Don't let short wires stall your build—get the reliable connection you need with these BBK extensions. Find all your essential performance upgrades at GGCRACING.
| Brand | BBK |
|---|---|
| Manufacturer part number | 1121 |
| GGC SKU | BBK1121 |
| UPC / GTIN | 197975011213 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 5.6 × 5.4 × 2.2 in |
|---|---|
| Shipping weight | 0.27 lb |
| Year | Make | Model | Trim |
|---|---|---|---|
| 2018-2020 | Ford | Mustang | Shelby GT350, Shelby GT350R |
| 2018-2023 | Ford | Mustang | EcoBoost, EcoBoost Premium |
| 2018-2024 | Ford | Mustang | GT, GT Premium |
| 2019-2020 | Ford | Mustang | Bullitt |
| 2020-2022 | Ford | Mustang | Shelby GT500 |
| 2021-2023 | Ford | Mustang | Mach 1 |
| 2024 | Ford | Mustang | Dark Horse, Dark Horse Premium |
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