Flowmaster 17418 | Exhaust System Kit

Part Number
Force II Cat Back System| Single| Dual Rear Same Side Exit| Incl. 2.5 in. Tailpipes/50 Series SUV Muffler/3 in. Logo Embossed Stainless Tips

Fits: 04-08 Ford F-150, 06-08 Lincoln Mark LT

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For the person who wants the look of a traditional dual exhaust system with all the benefits that a Flowmaster Cat-back exhaust system provides. D.O.R./D.O.S. systems are the perfect choice, and include exit pipes for both dual out rear and dual out side configurations so that you can choose the one that fits your style. Force II systems delivers a moderate exterior tone and moderate to mild interior tone, and are suited to customers looking for efficiency improvements without a lot of noise. Especially recommended for towing applications. 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.

BRAND: Flowmaster


  • Fits 2004 to 2008 Ford F-150 and Lincoln Mark LT trucks with a 4.6L or 5.4L engine| fits 2 and 4 wheel drive models and all wheelbases.
  • Exhaust System Kit
  • Connects After Factory Catalytic Converter
  • Dyno Tuned for Maximum Performance
  • Force II Cat Back System
  • Force II Cat Back System| Single| Dual Rear Same Side Exit| Incl. 2.5 in. Tailpipes/50 Series™ SUV Muffler/3 in. Logo Embossed Stainless Tips|
  • Incl. Hangers and Hardware For Easy Installation
  • Moderate Exterior Exhaust Tone
  • Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles| Uncontrolled (Non-Emissions Controlled) Vehicles| and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
  • Mandrel Bent 16ga Aluminized Tubing
  • Mild to Moderate Sound Exterior Exhaust Tone
  • Dual Out Rear Or Dual Out Side Exit
  • Premium Flowmaster Quality
  • Cat-back 04-08 F150 DOR/S
  • Cat back| Exhaust| Kit| Ford| Truck| F150| Performance


California Proposition 65 Chemical Name 1Nickel (metallic)
California Proposition 65 Chemical Name 2Chromium (hexavalent compounds)
Exhaust SeriesForce II
Exhaust TypeSingle
Exit PositionDual Rear
Exit StyleStraight
Heat Shield AttachedNo
Inlet Diameter3.000 in.
Inlet Inside DiameterN/A
MaterialAluminized Steel
Muffler Count1
Muffler Part Number530552
Muffler SeriesSuper 50 Series
Outlet Diameter2.500 in.
Outlet Outside Diameter2.500 in.
Single or DualDual
Sound LevelMild
System TypeCat Back
Tail Pipe Diameter2.500 in.
Tip Diameter3.000 in.
Tip Quantity2
TitleFlowmaster 17418 Cat-back System - Dual Rear/Side Exit - Force II - Mild Sound
Tubing Diameter2.500 in.
WARNING CA Proposition 65Yes
WARNING CA Proposition 65 MessageWARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Single| Dual Rear Same Side Exit| Incl. 2.5 in. Tailpipes/50 Series(TM) SUV Muffler/3 in. Logo Embossed Stainless Tips|50 State Legal / California Emissions Compliant


  • WARRANTY TIME: 36 Months


    • Flowmaster: 817418
    • Borla: 140137
    • MagnaFlow Exhaust Products: 16520
    • Gibson Performance Exhaust: 69523


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