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Thermal R&D

Thermal R&D F-150 2.7L/3.5L SCAB 8ft 3" Catback Exhaust - Single Exit (2021-2025)

SKU:
 646 B949-C920-S
 | 
MPN:
 B949-C920-S
$999.99
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Thermal R&D's engineering team developed this 3-inch catback exhaust specifically to solve the drone problem that plagues most aftermarket systems on the 2021-2025 F-150. You get an aggressive exhaust note under hard acceleration without the low-frequency cabin hum that makes highway driving miserable.

True Helmholtz Technology eliminates drone. Rather than relying on packing material or generic resonators, Thermal R&D targets and cancels the specific low-frequency tones responsible for cabin resonance. The result is a system that sounds aggressive when you push the 2.7L or 3.5L EcoBoost, then settles into a comfortable tone the moment you back off on the highway.

3-inch mandrel bent T304 stainless steel construction. Every bend in the system maintains full tube diameter, so exhaust gases flow without the restriction that crushed bends create. T304 stainless steel resists corrosion through salt, heat cycles, and years of use, and the lifetime warranty backs that durability claim directly.

Bolt-on fit with no modifications. The system uses factory mounting locations throughout, so installation requires no cutting, welding, or fabrication. Finish options include single or dual polished or coated tips to match the truck's style.

Product Benefits

  • True Helmholtz Technology: Cancels cabin drone at the source without muffling the exhaust note under load.
  • 3-Inch Mandrel Bends: Full-diameter T304 stainless tubing maintains flow through every bend.
  • Drone-Free Highway Driving: Comfortable on long hauls while staying aggressive during acceleration.
  • Direct Bolt-On Install: Uses factory mounting locations with no cutting or welding required.
  • Tip Options: Available with single or dual polished or coated tips.
  • Lifetime Warranty: Backed for the life of the vehicle.
  • Made in the USA: Manufactured domestically by Thermal R&D.

About Thermal R&D: Thermal R&D designs and manufactures exhaust systems in the United States, focusing on fitment-specific solutions for domestic trucks and performance vehicles. The brand's True Helmholtz Technology is a core engineering feature developed to deliver a genuine performance exhaust tone without the drone compromises common to most aftermarket systems.

Note: Fits 2021-2025 2.7L/3.5L EcoBoost SuperCab 8ft bed F-150 only. Does not fit vehicles with Gas Particulate Filters (GPF). Verify fitment by checking your under-hood emissions sticker before ordering.

warningWARNING: California Residents: Cancer and Reproductive Harm; www.p65warnings.ca.gov

Vehicle Fitment:
2021, 2022, 2023, 2024, 2025
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