Thermal R&D 3" Catback Exhaust - 2015–2017 Mustang GT 5.0L Fastback

Transform the sound and performance of your S550 Mustang with the Thermal R&D 3" Catback Exhaust System for the 2015–2017 Ford Mustang GT Fastback. Designed to maximize exhaust flow while delivering a deep, aggressive V8 tone, this premium system enhances both driving experience and rear-end appearance.

Constructed from high-quality 304 stainless steel, the 3-inch mandrel-bent tubing improves exhaust efficiency while providing exceptional corrosion resistance for long-term durability. At the core of the system is Thermal R&D’s True Helmholtz Technology, engineered to produce a rich, resonant exhaust note under acceleration while eliminating the annoying cabin drone during highway cruising.

With an easy bolt-on installation requiring no modifications, this catback system is the perfect upgrade for Mustang owners who want refined sound, improved flow, and proven craftsmanship — all backed by a Lifetime Warranty.

Features

• 3" diameter mandrel-bent tubing for improved exhaust flow
• True Helmholtz Technology eliminates cabin drone
• Deep, resonant V8 exhaust tone
• 304 stainless steel construction for durability
• Mill finish tubing and resonator
• Polished or ceramic-coated 4.5" angle tip options
• Easy bolt-on installation – no modifications required
• Manufactured in the USA
• Backed by a Lifetime Manufacturer’s Warranty

Fitment

- 2015 Ford Mustang GT 5.0L Fastback
- 2016 Ford Mustang GT 5.0L Fastback
- 2017 Ford Mustang GT 5.0L Fastback

Note: Will NOT fit convertible models. Product images are representative.

CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov