Description
Performance Exhaust System. The Flowmaster American Thunder Axle-Back Exhaust System improves the 2024-2026 Mustang GT without active exhaust by enhancing exhaust flow and delivering a deeper, more aggressive tone. It is engineered to boost rear wheel horsepower and torque, elevating vehicle performance and driving experience.
Construction and Appearance. Crafted from durable 409 stainless steel tubing and featuring Super 44 series mufflers with reflection-type technology, this axle-back system delivers a bold aggressive sound. The dual 4.00-inch polished stainless steel tips provide a custom, high-quality finish.
Installation. Installation is simple, utilizing factory hanger locations and included hardware, requiring no welding or drilling. The clamp-on inlet connection with flat band clamps ensures a secure and hassle-free fitment.
Warranty. Backed by a lifetime limited warranty for lasting peace of mind.
Application. Specifically designed for the 2024-2026 Mustang GT models without active exhaust systems for a perfect fit and optimized performance.
Flowmaster 818162
CA Residents: WARNING: Cancer and Reproductive Harm
- Part Of The American Thunder Exhaust Series
- Axle-Back Exhaust System Featuring Super 44 Series Mufflers
- 3.00-Inch Mandrel Bent 409 Stainless Steel Tubing
- Dual 4.00-Inch Polished Stainless Steel Tips With 5.25-Inch Length
- Uses Factory Hanger Locations For Easy Installation
- Includes All Necessary Hardware
- Provides Up To 8 Hp And 6 Lb-Ft Increase Over Stock
- Designed For Aggressive Exhaust Tone And Increased Performance
- Lifetime Limited Warranty Included
- Emission Code 5 – Legal For Emissions Controlled And Uncontrolled Vehicles
- Catalytic Converter Not Included
- Clamp-On Inlet Type With Flat Band Clamps Included
- Slip-Fit Muffler Inlet And Outlet Connections
- Muffler Body Constructed From 409 Stainless Steel With Black High-Temperature Finish
- Oval Muffler Body Shape Measuring 10.25 Inches Length By 9.50 Inches Width By 4.00 Inches Height
- Sound Level Classified As Aggressive / Moderate
- Fits 24-26 Mustang GT Without Active Exhaust
| Brand | Flowmaster |
| Exhaust System Type | Axle-Back System |
| Exhaust System Material | Stainless Steel |
| Exhaust System Tip Finish | Chrome, Polished |
| Exhaust System Tubing Diameter | 3.00 Inch |
| Exhaust Loudness | Aggressive |






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