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Vehicle Info NeededFLOWMASTERPART NUMBER: 389-817663
817663 American Thunder Cat-Back Exhaust System 1998-2003 Ford F-150 Pickup 4.6L/5.4L
$1,06595
Ships on 09/18/2026
Lowest Price GuaranteeFord
- American Thunder Cat-Back Exhaust System
- 1998-2003 Ford F-150 Pickup 4.6L/5.4L
- 2.5" Tubing
- 3.5" Polished SS Tips
- Dual Rear/Side Exit
- Super 40 Series Muffler
- 409S Stainless Steel
Part TypeExhaust System
BrandFLOWMASTER
Package Height10.0
Package Width10.0
Package Length60.0
Weight55.0 PG
Muffler Inlet Inside Diameter2.50 in.
Hangers IncludedYes
Main Piping Diameter2.50 in.
Tail Pipe QuantityDual
Inlet TypeClamp-On
Exhaust Tip Material304 Stainless Steel
Catalytic Converter Quantity0
Muffler Body Length10 in.
Sound LevelAggressive
Muffler Body Material409 Stainless Steel
Exhaust Tip CutAngled
Gasket Or Seal IncludedNo
Exhaust Tip IntercooledNo
Pipe ColorSilver
Muffler Quantity1
Muffler Inlet Outside Diameter2.63 in.
Muffler Flanged OutletNo
Tip Quantity2
Exhaust Tip ResonatedNo
Exhaust TypeDual
Catalytic Converter IncludedNo
Heat Shield IncludedNo
Part CategoryExhaust Systems & Components
Exhaust Tip WallDouble Wall
Exhaust Tip Quantity2
Exhaust Tip FinishPolished
Exhaust Tip EdgeAngle Cut
Valve IncludedNo
Muffler TypeChambered
Pipe Material409 Stainless Steel
Muffler Body Width10 in.
Tail Pipe Tapered OutletNo
Muffler Body ShapeOval
Mounting Bracket IncludedYes
Muffler Outlet Quantity2
Muffler FinishBlack High-Temperature Paint Finish
Inlet Diameter2.50 in.
Clamps IncludedYes
FinishNatural
Exit StyleDual Out Rear
Muffler Body Height5 in.
Clamping TypeFlat Band
Muffler Flanged InletNo
Spring Bolt Kit IncludedNo
Muffler SeriesSuper 40 Series
Muffler IncludedYes
Exhaust Tip ConnectionClamp-On
Tail Pipe Outlet Outside Diameter2.50 in.
Valve TypeNot Applicable
Exhaust Tip Diameter3.50 in.
Part FitmentDirect Fit
Vendor Part Number817663
Package Qty1
Package TypeEA
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