Product Summary

Cat-Back Exhaust System Type, Dual Single or Dual

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    Key Specs

    MFG. Part #817663
    Exhaust System TypeCat-Back
    Single or DualDual
    Exhaust Tubing Diameter2-1/2 Inch
    Exhaust System Kit TypeDirect Fit
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    Flowmaster 817663 Details

    Flowmaster's American Thunder cat-back exhaust system for the 1998-2003 Ford F-150 pickup truck is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster. This system allows you the choice of either dual out the rear exit tailpipes, or dual out the sides behind the rear wheels, which is perfect for towing. The bolt-on 409S stainless steel system fits both the 4.6L and the 5.4L V8 engines and features a Super 40 Series performance muffler and dual 2.50-inch mandrel-bent tailpipes finished off with a pair of large 3.50-inch polished stainless steel tips. This system is designed to fit all 2/4 wheel Drives, all wheelbases and is covered by our Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.

    Features:

  • Large 3.50-inch Polished 304 Stainless Steel Tips
  • Dual Outlet Super 40 Series Performance Muffler
  • Mandrel-bent Stainless Steel Construction
  • Aggressive Exterior Performance Tone
  • Uses the Factory Hanger Locations
  • Multiple Exit Styles Provided in Kit
  • Clears the Factory Spare Tire
  • Lifetime Limited Warranty
  • Moderate Interior Tone
  • Easy Installation
  • Application

    1998-2003 Ford F-150 330 CID/5.4L V8
    1998-2003 Ford F-150 4.6L V8

    Flowmaster 817663 Specifications

    KEY SPECS
    MFG. Part #817663
    BrandFlowmaster
    Exhaust System TypeCat-Back
    Single or DualDual
    Exhaust Tubing Diameter2-1/2 Inch
    Exhaust System Kit TypeDirect Fit
    GENERAL
    Exhaust ExitDual Split Rear/Split Side
    Sound LevelAggressive
    Muffler(s) IncludedYes
    Muffler Quantity1
    Muffler ConnectionsSingle Inlet | Dual Outlet
    DrivetrainRWD/4WD
    Exhaust Tip IncludedYes
    Exhaust Tip Quantity2
    Exhaust Tip ShapeRound
    Exhaust Tip CutAngle
    Exhaust Tip Edge StyleNon-Rolled Edge | Single-Wall
    Exhaust Tip Size3.50"
    Exhaust Tip Length13"
    Exhaust System Material409S Stainless Steel
    Exhaust System FinishNatural
    Exhaust Pipe ColorNatural
    Muffler SeriesSuper 40 Series
    Muffler Material409 Stainless Steel
    Muffler ColorBlack
    Exhaust Tip Material304 Stainless Steel
    Exhaust Tip FinishPolished
    Exhaust Tip ColorNatural
    Inlet QuantitySingle
    Inlet Size2.50"
    Outlet Size2.50"
    Tailpipe Diameter2.5"
    Catalytic Converter(s) IncludedNo
    Hardware IncludedYes
    Heat ShieldNo
    Sold in QuantityKit
    GTIN Code700042029945
    Material TypeStainless Steel
    Exit LocationRear

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