Flowmaster Outlaw Axle-Back Exhaust System Stainless Steel Black Non-Active Mustang EcoBoost/GT 24-26
Highlights
- Tap To View 3D Model
- Direct-Fit Upgrade
- 3", 16-Gauge Steel Tubing
- Dyno Gains ≤8 Horsepower
Flowmaster Black Stainless Steel Outlaw Axle-Back Exhaust with Black Ceramic Tips for 2024-2026 EcoBoost and GT Mustangs with a Non-Active Factory Exhaust System.
Garner dyno gains up to 8 horsepower in your 2024-2026 GT Mustang with the corrosion-resistant, Outlaw Stainless Steel Black Axle-Back Exhaust System by Flowmaster (818160)! A direct-fit upgrade for your S650, this system’s 3” tubing is mandrel bent to perfection. It’ll have you making 7 lb/ft over the stock exhaust at the rear wheels for years on end thanks to the 16-gauge steel construction. Courtesy of the Outlaw series, the muffler then curates a deep, ferocious sound worthy of the dyno-proven power. Decadent in a black ceramic coating, two 4” tips serve as the suave, finishing touch.
Features and Benefits:
- Direct-fit upgrade for 2024-2026 GT Mustangs with non-active exhaust
- Max increase: 8 HP & 7 lb/ft over OE exhaust @ rear wheels
- 3” mandrel-bent tubing provides maximum flow
- Corrosion-resistant, 16-gauge stainless steel construction
- Outlaw muffler produces deep, commanding sound
- 4” black ceramic-coated tips
- Installs in original hanger locations
- Includes all necessary hardware
Vehicle Fitment:
- 2024-2026 GT Mustang
- 2024-2026 EcoBoost Mustang
- For models without Active Exhaust
California Residents: Proposition 65 Warning
Related Categories: Mustang Parts, Mustang Exhaust, Mustang Axle Back Exhaust Kits
Installation Difficulty

Novice skill is required for this installation.












