FLOWMASTER part description

Product Description

Force II Cat Back System

Application Summary

Fits 2011 to 2014 Ford F-150 with a 3.5L Eco Boost Turbo V6 engine; fits all wheelbases.

Features & Benefits

  • Mandrel Bent 16ga 409 Stainless Tubing
  • Limited Lifetime Warranty
  • Mild to Moderate Exterior Exhaust Tone
  • Incl. Hangers and Hardware For Easy Installation
  • Connects After Factory Catalytic Converter
  • Dual Out Rear Exit
  • Dyno Tuned for Maximum Performance
  • Premium Flowmaster Quality

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

Cat back; exhaust; performance exhaust; exhaust kit

Product Attributes

Exhaust Series Force II
Exhaust Type Single
Exit Position Dual Rear Same Side
Exit Style Straight
Heat Shield Attached No
Inlet Diameter 3.000 in.
Inlet Inside Diameter 2.500 in.
Material Stainless Steel
Muffler Count 1
Muffler Part Number Kit Only
Muffler Series Pro Series
Outlet Diameter 2.500 in.
Outlet Outside Diameter 2.500 in.
Single Or Dual Dual
Sound Level Mild/Moderate
System Type Cat Back
Tail Pipe Diameter 2.500 in.
Tip Diameter 3.000 in.
Tip Quantity 2
Title Flowmaster 817539 Cat-back System 409S - Dual Rear/Side Exit - Force II - Mild/Moderate Sound
Tubing Diameter 2.500 in.

Additional Information

Country of Origin (Primary) US
Canadian Harmonizing Tariff Code 8708925000
Harmonized Tariff Code (Schedule B) 8708925000
Harmonized Tariff Code (HTS) 8708925000
MSDS Sheet Number N
NAFTA Preference Criterion Code B
Refurbished Part N
Remanufactured Part N
Stock Status S
Warranty Special Limited Lifetime
Warranty Special UOM LF
UPC 00700042025220

Part Interchanges

A brand under Holley Performance Products, an automotive performance company based in Bowling Green, Kentucky, Flowmaster® provides a broad selection of performance exhaust systems, air intakes, and mufflers. It also offers turbo boost modules, headers, race mufflers, and various exhaust accessories for trucks, off-road, SUVs, Jeeps, powersports vehicles, classic muscle cars, and other late model cars. For more than 30 years, Flowmaster has been delivering only the best automotive exhaust products to the market and living up to its name as “The Exhaust Technology Company.” Today, the company takes its mission statement a notch higher by offering exciting new product categories to enhance its exhaust products portfolio. It aims to be “The Performance Technology Company” automotive enthusiasts can trust.

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