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Unlock the Coyote V8 Sound Your F-150 Deserves
The 5.0L Coyote V8 has one of the best factory engine notes on the market, but Ford muffles it more than it should. The B921-C920-CD catback exhaust opens up the full 3 inch path from the factory catalytic converter back, giving your Single Cab 8ft bed F-150 a deeper, more aggressive tone with black coated dual exit tips.
Key Features
- Full 3 inch T304 stainless steel mandrel bent tubing
- Up to 78 percent more airflow than factory exhaust
- 3 chamber Helmholtz muffler design eliminates cabin drone
- Black ceramic coated dual exit tips
- Easy bolt-on installation, no cutting or welding necessary
- Retains factory catalytic converter for emissions compliance
- Lifetime manufacturer warranty from Thermal R&D
This Part Fits
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2021-2025 | Ford | F-150 | Single Cab 8ft Bed |
Fits 2021-2025 Ford F-150 5.0L Coyote V8 models, 2WD and 4WD, Single Cab 8ft bed configuration.
Specifications
| Detail | Value |
|---|---|
| Part Number | B921-C920-CD |
| UPC | Not assigned by manufacturer |
| Material | T304 Stainless Steel |
| Tubing Diameter | 3 inch |
| Tip Style | Dual Exit, Black Ceramic Coated |
| Cab/Bed Configuration | Single Cab, 8ft Bed |
| Warranty | Lifetime Manufacturer Warranty |
| Country of Origin | Manufactured in USA |
What's Included
- Complete B921-C920-CD catback exhaust system
- Black ceramic coated dual exit tips
- All necessary clamps and hardware
- Installation instructions
About Thermal R&D
Thermal R&D has spent decades building exhaust systems for other performance brands before bringing its designs directly to enthusiasts. Every system is engineered and manufactured in house in Lancaster, California using T304 stainless steel, and every catback is backed by a lifetime manufacturer warranty.
Frequently Asked Questions
What is the B921-C920-CD?The B921-C920-CD is a Thermal R&D 3 inch stainless steel catback exhaust system with black ceramic coated dual exit tips built for the 2021-2025 Ford F-150 5.0L Coyote V8 Single Cab 8ft bed.
Will this exhaust fit my crew cab F-150 instead?No, this specific part number is sized for the Single Cab 8ft bed wheelbase. Thermal R&D offers other part numbers sized for SuperCrew and Super Cab configurations.
Does this exhaust require cutting or welding?No. The system bolts on using factory hangers and connects behind the factory catalytic converter with no cutting or welding required.
How much louder is this than my stock exhaust?It is noticeably deeper and more aggressive under acceleration while the 3 chamber Helmholtz muffler keeps highway cruising free of drone.
Will the black coated tips fade or discolor over time?The ceramic coating is designed to resist heat discoloration better than standard paint, though routine cleaning helps maintain the finish over years of use.
Can I install this exhaust myself?Yes, most owners complete installation in a driveway or home garage in under an hour with basic hand tools.
Does this exhaust affect my truck's factory warranty?Aftermarket exhaust systems that retain the catalytic converter typically do not void the factory powertrain warranty, but you should confirm with your dealer regarding your specific situation.
What is your return policy on this exhaust?Unused items in original packaging can be returned within our standard return window. Contact us before returning any installed parts.
Is this exhaust legal in all states?The system retains the factory catalytic converter and is intended for street use. Check your local sound and emissions regulations before installing any aftermarket exhaust.
Installation Instructions
- Raise and safely support the vehicle on jack stands or a lift.
- Loosen the factory exhaust clamp behind the catalytic converter.
- Remove the factory exhaust from the rubber hangers.
- Attach the connector pipe to the OEM front pipe using the provided clamp.
- Position the muffler section into the factory hangers.
- Connect the mid pipe section using the provided clamps.
- Attach the dual tip tailpipe section to the muffler and secure to the factory hanger.
- Align both tips evenly, then fully tighten all clamps.
Thermal R&D
Thermal R&D exhaust systems are premium stainless steel performance exhaust upgrades for Ford, Honda, Acura, RAM, Jeep, Chevrolet, Subaru, Toyota, Scion, and Kia performance applications. Shop Thermal R&D cat-back exhaust systems, front-pipe-back exhausts, mid-pipe-back exhausts, downpipe-back exhausts, mufflers, exhaust tips, polished tips, coated tips, carbon fiber tips, and bolt-on exhaust upgrades at Black Ops Auto Works. Thermal R&D is a strong choice for drivers who want a deeper exhaust tone, improved exhaust flow, reduced cabin drone, quality construction, and vehicle-specific fitment. This collection includes Thermal R&D exhaust systems for Ford F-150, Ford Bronco, Ford Mustang GT, Ford Mustang EcoBoost, Ford Maverick EcoBoost, Ford Explorer ST, Ford Edge ST, RAM 1500 HEMI, Honda Civic Si, Honda Civic Type R, Honda Accord Sport, Acura Integra, Jeep Wrangler JK, Chevrolet Camaro, Kia Stinger GT, Subaru BRZ, Toyota 86, and Scion FR-S. Shop Thermal R&D Exha...
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