Flowmaster American Thunder Exhaust Systems "The Sound That Started It All". American Thunder is the "original" Flowmaster sound. In most cases a very aggressive sound level, American Thunder systems use various chambered mufflers to achieve the performance gains and aggressive sound that you want from your car or truck, inside or out. American Thunder systems are a great choice when you want to be heard. Flowmaster's 16 gauge mandrel bent pipe kits are designed to fit perfectly onto your vehicle with all the quality and performance that you would expect from Flowmaster.
• Mandrel bent 16 gauge tubing • Moderate sound exterior exhaust tone • Includes hangers and hardware for easy installation • Header-back system
Part Type: Exhaust System Application: '64-'66 Ford Mustang 4.7L, 5.0L V8 (see note) System Series: American Thunder System Type: Header Back - Dual Tone Level: Moderate Inlet Diameter: 2.50" Outlet Diameter: 2.50" Tubing Diameter: 2.50" Muffler Series: 40 Series Delta Flow Muffler Quantity: 2 Heatshield: No H-Pipe: Yes Hardware Included: Yes Exit Position: Dual Rear Exit Tip(s) Included: Yes Tip Diameter: 2.50" Tip Material: Stainless Steel Material: 16 Gauge Aluminized Steel Finish: Aluminized Manufacturer: Flowmaster Manufacturer's Part Number: 17273 Weight: 69.0 lbs. Warranty: Limited 3-Year Quantity: Sold as Kit
Note: Does not fit GT or convertibles
Installation Instructions (PDF): click here
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