The Thermal R&D A/B/C-910 is a full 2.5 inch downpipe back exhaust system engineered for the 2020 to 2026 Ford Explorer ST 3.0L EcoBoost. Built from T304 stainless steel and finished with 4 inch dual polished angle cut tips, the A/B/C-910 replaces everything from the catalytic converter outlets back for a noticeably deeper, more aggressive tone under throttle while staying quiet and drone free at highway speed.
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2020-2026 | Ford | Explorer | ST |
| Detail | Value |
|---|---|
| Manufacturer Part Number | A/B/C-910 |
| Brand | Thermal R&D |
| System Type | Downpipe back exhaust with mid pipes |
| Pipe Diameter | 2.5 inch throughout |
| Material | T304 stainless steel, mandrel bent |
| Tip Size | 4 inch dual angle cut |
| Tip Finish | Polished stainless |
| Tubing Finish | Mill finish tubing and center muffler, brushed rear muffler |
| Drone Elimination | True Helmholtz Technology |
| Country of Manufacture | USA |
| Warranty | Limited lifetime warranty to original owner |
Thermal R&D builds every exhaust system in Lancaster, California, and every Explorer ST system, including the A/B/C-910, is engineered around True Helmholtz Technology so drivers get a deeper exhaust note without highway drone. Each A/B/C-910 system carries a limited lifetime warranty to the original vehicle owner.
The A/B/C-910 is a Thermal R&D 2.5 inch downpipe back exhaust system built for the 2020 to 2026 Ford Explorer ST 3.0L EcoBoost, replacing the factory system from the catalytic converter outlets back through the mid pipes.
Does the A/B/C-910 fit the base or XLT Explorer?No. The A/B/C-910 is an ST-only system and does not fit the base, XLT, Limited, or Platinum Explorer trims.
Are the polished tips included or is that an upgrade?The 4 inch dual polished angle cut tips are included standard with the A/B/C-910. If you prefer black ceramic coated tips, look at the black tip version of this system instead.
Do I need mid pipes separately with the A/B/C-910?No. The A/B/C-910 includes the mid pipes as part of the complete downpipe back system, so no separate purchase is needed.
Will the A/B/C-910 trigger a check engine light?No. The system connects behind the factory catalytic converters, so all emissions equipment and sensors remain untouched.
How long does the A/B/C-910 take to install?Most installers complete the A/B/C-910 install in about two to three hours since it replaces the full downpipe back section rather than just the rear muffler.
Does the A/B/C-910 come with a warranty?Yes. Thermal R&D covers the A/B/C-910 with a limited lifetime warranty to the original vehicle owner, non-transferable.
Is the A/B/C-910 noticeably louder than stock at idle?The A/B/C-910 uses True Helmholtz Technology to keep idle and cruise sound controlled while opening up the exhaust note under throttle.
This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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