Aggressive Growl & ZERO Drone! - Thermal R&D Catback Exhaust for Mustang GT

Today, we go over Thermal R&D's Full 3" Catback Exhaust for the 2018 - 2023 Ford Mustang GT.

Check it out here! - https://www.lethalperformance.com/the...

Unleash the full potential of your 2018–2023 Mustang GT with Thermal R&D’s 3" Catback Exhaust System. Expertly engineered for performance enthusiasts, this system delivers a deep, aggressive growl with ZERO drone, thanks to their True Helmholtz Technology. -flowing 3-inch mandrel-bent tubing reduces backpressure and maximizes exhaust scavenging, creating a more responsive and exhilarating driving experience.

Constructed from premium 304 stainless steel, the Thermal R&D catback system offers durability that stands up to daily driving and spirited track use alike. The precision TIG welds, high-grade hangers, and robust mufflers ensure a high-quality fit and finish that resists corrosion and cracking over time. Each component is designed in-house using advanced 3D modeling and is rigorously tested to ensure optimal performance and a precise factory-like fit.

Sound is a signature element of the Thermal R&D system. With its carefully tuned mufflers and straight-through design, the exhaust delivers a rich, deep tone that’s aggressive under throttle but remains refined during cruising. The system eliminates drone, making it ideal for drivers who want both performance and comfort. Whether on the street or at the track, it announces your presence with authority—without overwhelming your senses.

Installation is made simple with a true bolt-on design, requiring no cutting or welding. The kit includes all necessary hardware and detailed instructions, making it accessible for DIYers and professionals alike. Designed and manufactured entirely in the USA, the Thermal R&D 3" Catback Exhaust System brings the perfect blend of performance, sound, and craftsmanship to your Mustang GT.

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