Exhaust
"Awesome system. Love it."
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Thermal R&D Exhaust
SKU:B912-C911-C
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The Ford Bronco was engineered to explore beyond the pavement. The Thermal R&D Catback Exhaust was engineered to go with it. Designed specifically for the 2021+ Bronco 2.7L EcoBoost, this system combines aggressive performance, refined acoustics, and exceptional ground clearance in one complete package.
Unlike many aftermarket exhaust systems that sacrifice clearance beneath the vehicle, our frame-hugging design keeps the system tucked tightly against the chassis to help preserve the Bronco's off-road capability. Whether you're navigating rocky trails, heading to the campsite, or driving to work, this is an exhaust system designed to perform wherever your Bronco takes you.
Every Thermal R&D exhaust system is manufactured from premium T304 stainless steel using precision mandrel bends for exceptional fitment, durability, and exhaust flow. The rear muffler is finished in a high-temperature black ceramic coating that provides a rugged, stealth-inspired appearance while helping manage radiant heat. Designed for the demands of off-road driving, the finish complements the Bronco's rugged character while offering long-lasting durability.
Like every Thermal R&D exhaust system, installation is straightforward using the factory mounting points. No cutting, welding, or fabrication is required.
What truly separates this system is our True Helmholtz Technology. Rather than restricting exhaust flow to reduce interior noise, our engineers use precisely tuned Helmholtz chambers to cancel the frequencies responsible for drone. The result is an aggressive exhaust note when you accelerate and a comfortable, refined driving experience while cruising the highway or spending hours on the trail.
From the daily commute to your next off-road adventure, the Thermal R&D Bronco Catback Exhaust delivers the sound, performance, and refinement your Bronco deserves.

Overall rating: 4.8333335 / 5 from 6 reviews.
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"Awesome system. Love it."
— Louis P. (5/5)
"We love it! It's not too loud but still has a good tune to it."
— James B. (4/5)
"Bought a year ago 5/2024. Not sure why it reverted back to 1 star on previous review. SHOULD OF BEEN 10 STARS. Amazing fit and finish easy install. Sounds great. very pleased. holding up well heavy offroad use and Midwest environment, rust belt. AWESOME PIPE VERY ROBUST SOUNDS GREAT EASY INSTALL 10 STARS!!!!!!"
— Brian H. (5/5)
"This system may be quieter at highway speeds than stock exhaust. I always chocked up the drone noise as tire noise but it’s gone now. Perfect sound on acceleration. Nice growl at start up and silent at cruising speeds. Just what I was hoping for. Installation took under an hour on my back in the drive. What probably took the most time was alignment of the mid pipe. I understand that for shipping purposes it can’t be a one piece pipe but it would nice. Just took some time to line it up and it came out perfect. The rear black can disappears under the bronco. The stock one was so visible as I replaced the plastic bumper with a heavy duty one. I hated that I could see it. The Thermal one just vanishes which is perfect. Customer service was great. Victor was awesome. My only problem is my wife doesn’t know. I did it when she was visiting her sister out of state. Hope she either loves it or doesn’t notice as it’s her Bronco. Crossing fingers. Thanks."
— Thomas L. (5/5)
"Definitely recommend. Very high quality build."
— David D. (5/5)
"I've handled and installed many exhaust systems over the years and the quality and attention to detail on this one is the best I've seen. Everything was packaged very well and lined up great when installing. The exhaust clamps are leak free (I've had $1,700 systems that used cheap/poorly designed exhaust clamps that constantly leaked). The hangers have bulges at the ends like the OEM system. The welds look great and the install video was good, but torque specs would have made it great. Now the sound; I think this system is the best sounding 2.7 exhaust on the market. It's difficult to make this engine sound good but they did a decent job. It is on the milder side volume wise, but it does get a bit louder after a few thousand miles. There's no drone, and the tone at full throttle is good. I was looking for and OEM+ style exhaust that didn't have a hideous muffler hanging under the bumper and this system exceeded my expectations. For the value, it can't be beat."
— Freddy D. (5/5)
Performance Exhaust. Built Different.
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