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Thermal R&D

Thermal R&D Mustang GT 3" Catback Exhaust (2015-2017)

SKU:
 646 B919-C91
 | 
MPN:
 B919-C91
$1,599.99
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Thermal R&D's engineering team developed this 3-inch catback specifically to solve the tradeoff most aftermarket exhausts force on you: choose between an aggressive tone and a livable cabin. Fitting all 2015-2017 Mustang GTs, this system delivers both, targeting and canceling the low-frequency resonance that turns highway cruises into headaches while keeping the 5.0L Coyote loud when you push it.

True Helmholtz Technology for a drone-free cabin. Rather than relying on packing material or restrictive baffling, the system uses calculated resonance chambers tuned to the specific frequencies that cause drone in the 2015-2017 Mustang GT. The result is an aggressive exhaust note under acceleration that settles into a comfortable tone at cruise.

3-inch mandrel-bent T304 stainless steel construction. Every bend in the system is mandrel-formed to maintain a consistent tube diameter through corners, preserving flow where crush-bent systems lose it. T304 stainless resists corrosion and heat cycling across the full life of the exhaust, and a lifetime warranty backs that durability claim.

Bolt-on fitment, no modifications required. The system uses factory mounting locations throughout, so installation requires no cutting, welding, or fabrication. Polished or coated tip finishes let you match the look to the rest of the build.

Product Benefits

  • Drone-Free Cruising: True Helmholtz Technology cancels cabin drone without sacrificing exhaust tone.
  • 3-Inch Mandrel-Bent Tubing: Maintains consistent flow through every bend in the system.
  • T304 Stainless Steel: Corrosion-resistant construction built to last the life of the vehicle.
  • Lifetime Warranty: Backed by a full lifetime warranty from Thermal R&D.
  • Made in the USA: Manufactured domestically for consistent quality and fitment.
  • Bolt-On Install: Uses factory mounting locations with no cutting or welding required.
  • Choice of Tip Finish: Available with polished or coated tips to suit your preference.
  • Direct Fit: Engineered specifically for the 2015-2017 Mustang GT 5.0L Coyote.

Note: Fits Coupes w/ single-tip rear valance only.

About Thermal R&D: Thermal R&D manufactures exhaust systems in the USA with a focus on mandrel-bent stainless construction and proprietary resonance-control technology. The brand's True Helmholtz Technology sets their systems apart by addressing drone at the engineering level rather than as an afterthought.


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

Vehicle Trim:
ST
Vehicle Fitment:
2014, 2015, 2016, 2017, 2018, 2019
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