Flowmaster American Thunder Series; CatBack System; Dual Rear/Side Exit; Aggressive Sound FORD F-150


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Part #: 817663
Notes: American Thunder Series
CatBack System
Dual Rear/Side Exit
Aggressive Sound
MSRP: $858.48
Your Price: $656.97
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Specs

2WD/4WD RWD/4WD
Exhaust Series American Thunder
Exit Position Dual Rear Same Side Exit
Heat Shield No
Inlet Diameter (in) 2.5
Material Stainless Steel
Muffler Part Number Kit Only
Muffler Quantity 1
Muffler Series Super 40 Series
Outlet Diameter (in) 2.5
Single Dual Dual
Sound Level Aggressive Sound
System Type Cat-back System
Tip Diameter (in) 3.5
Tip Length (in) 13
Tip Quantity 2
Title Flowmaster 817663 Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Aggressive Sound
Tubing Diameter (in) 2.5

All Fitments

FORD
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
1998 - 2000 F-150 BASE V8 4.6 ALL ALL ALL
1998 - 2000 F-150 BASE V8 5.4 ALL ALL ALL
1998 - 2003 F-150 LARIAT V8 4.6 ALL ALL ALL
1998 - 2003 F-150 LARIAT V8 5.4 ALL ALL ALL
1998 - 2003 F-150 XL V8 4.6 ALL ALL ALL
1998 - 2003 F-150 XL V8 5.4 ALL ALL ALL
1998 - 2003 F-150 XLT V8 4.6 ALL ALL ALL
1998 - 2003 F-150 XLT V8 5.4 ALL ALL ALL
2001 - 2003 F-150 KING RANCH V8 4.6 ALL ALL ALL
2001 - 2003 F-150 KING RANCH V8 5.4 ALL ALL ALL

Product Description

For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

  • Mandrel bent 16 gauge aluminized tubing
  • Moderate to aggressive exterior exhaust tone
  • Includes hangers and hardware for easy installation
  • Connects after factory catalytic converter
  • Made in the USA
  • Premium Flowmaster quality

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