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Flowmaster American Thunder Exhaust Systems for 2018-2023 MUSTANG - 817799
Part Number: FLO-817799
Flowmaster American Thunder Exhaust Systems
Exhaust System, Axle Back, American Thunder, 409 Stainless Steel, Dual Exit, Ford, Kit
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Estimated Ship Date from Texas: Monday 10/26/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
817799
Part Type:
Product Line:
Summit Racing Part Number:
FLO-817799
UPC:
700042037766
System Material:
409 stainless steel
System Style:
Rear axle-back
Exhaust Type:
Dual in/Four out
Exit Location:
Split rear
System Finish:
Natural/Black
Catalytic Converter(s) Included:
No
Intermediate Pipe Diameter (in.):
3.00 in.
Muffler Included:
Yes
Muffler Quantity:
One
Muffler Configuration:
Single inlet/Dual outlet
Muffler Style:
Chambered
Muffler Material:
409 stainless steel
Muffler Color:
Black
Hardware Included:
Yes
Tailpipe Diameter (in.):
3.00 in.
Tip Included:
Yes
Tip Outlet Size (in.):
4.00
Tip Quantity:
4
Tip Shape:
Round
Tip Cut:
Slant
Tip Edge Style:
Beveled edge, double-wall
Tip Material:
304 stainless steel
Tip Color:
Polished
Remanufactured:
No
Quantity:
Sold as a kit.
Notes:
Fits models with factory Active Performance Exhaust Valves.
Special Attention:
It is illegal to install parts or components that bypass, defeat, or render inoperative the manufacturers’ technology and design necessary to reduce vehicle emissions to meet state and federal Clean Air Act standards.
Flowmaster American Thunder Exhaust Systems
Flowmaster American Thunder exhaust systems are designed with the latest exhaust technology available--resulting in improved acceleration, passing power, and fuel mileage. A key to these performance upgrades is Flowmaster's use of mandrel-bent tubing, which allows superior exhaust gas flow. The systems also feature mufflers (single or dual) that deliver plenty of the rich Flowmaster sound you expect. Components are built from stainless steel or aluminized steel; and some models include tips. American Thunder exhausts are available in more than a hundred configurations for fitment on specific truck and car applications.
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Some parts are not legal for use in California or other states with similar laws / regulations
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