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Give Your Edge ST the Voice It Deserves
The 2019 to 2024 Ford Edge ST hides a genuinely quick twin turbo V6 behind an exhaust note that stays quiet no matter how hard you push it. The B933-C933 catback system from Thermal R&D swaps in full 2.5 inch T304 stainless steel piping and a three canister muffler layout, giving the Edge ST a deeper, more aggressive voice while true Helmholtz tuning keeps highway drone out of the cabin.
Key Features
- 2.5 inch mandrel bent T304 stainless steel tubing throughout
- Three canister design, one center muffler and two rear Helmholtz mufflers
- True Helmholtz technology eliminates highway drone
- Straight through muffler design for improved exhaust flow
- Mill finish tubing and center muffler, brushed finish rear chambers
- Works with factory tips or optional Thermal R&D polished or ceramic coated tips
- Direct bolt on fit using OEM catalytic converter connections and hangers
Fitment Table
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2019-2024 | Ford | Edge | ST |
Specifications
| Detail | Value |
|---|---|
| Manufacturer Part Numbers | B933-C933 (no tips), B933-C934 (polished tips), B933-C934-C (coated tips) |
| Brand | Thermal R&D (Thermal Research and Development) |
| System Type | Catback exhaust |
| Pipe Diameter | 2.5 inch |
| Material | T304 stainless steel, mandrel bent |
| Muffler Configuration | 1 center muffler, 2 rear Helmholtz mufflers |
| Tubing Finish | Mill finish tubing and front muffler, brushed rear chambers |
| Installation | Bolt on, no cutting or welding required |
| Warranty | Limited lifetime manufacturer warranty |
What's Included
- Complete Thermal R&D Edge ST catback exhaust system
- OEM style mounting hardware and clamps
- Installation instructions
About Thermal R&D
Thermal R&D manufactures its exhaust systems in the USA using T304 stainless steel and proprietary Helmholtz resonator tuning to strike a balance between an aggressive tone and daily drivability. The B933 series brings that same engineering approach to the Edge ST platform, giving owners a direct bolt on upgrade with a lifetime warranty.
FAQ
What is the B933-C933?The B933-C933 is the no tips version of the Thermal R&D 2.5 inch catback exhaust system built for the 2019 to 2024 Ford Edge ST.
What is the difference between the B933-C934 and B933-C934-C variants?The B933-C934 includes polished stainless exhaust tips while the B933-C934-C includes black ceramic coated tips, both use the identical 2.5 inch catback system underneath.
Can I add tips later if I choose the no tips version?Yes, Thermal R&D sells polished and ceramic coated tip sets separately that are compatible with the B933-C933 system.
Will this exhaust cause noticeable drone on the highway?No, the two rear Helmholtz mufflers are specifically tuned to cancel out highway drone while preserving a deeper exhaust note under throttle.
Do I need to modify my Edge ST to install this system?No cutting or welding is required, the system bolts on using the factory catalytic converter connections and OEM hangers.
Can I install the B933 series myself at home?Most owners with basic hand tools and a way to safely lift the vehicle can complete the install in an afternoon.
Does this exhaust affect emissions compliance?No, the system connects behind the OEM catalytic converters and does not alter any emissions equipment.
What is your return policy on this exhaust system?Unused systems in original packaging can be returned within our standard return window, please contact us first for return instructions.
Install Instructions
- Safely lift and support the Edge ST on jack stands.
- Apply penetrating fluid to the factory exhaust clamps and hanger isolators.
- Disconnect the factory catback at the OEM catalytic converter outlets and unclip the hangers.
- Remove the factory exhaust system from the vehicle.
- Install the B933 series catback system at the OEM catalytic converter outlets, leaving clamps hand tight.
- Secure the system onto the factory hanger locations and check alignment.
- Torque all clamps to specification.
- Start the engine and inspect every joint for exhaust leaks.
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