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Flowmaster 2014-2019 Ford Fiesta American Thunder Cat-Back Exhaust System 817784

Flowmaster 2014-2019 Ford Fiesta American Thunder Cat-Back Exhaust System 817784
Flowmaster 2014-2019 Ford Fiesta American Thunder Cat-Back Exhaust System 817784Flowmaster 2014-2019 Ford Fiesta American Thunder Cat-Back Exhaust System 817784Flowmaster 2014-2019 Ford Fiesta American Thunder Cat-Back Exhaust System 817784Flowmaster 2014-2019 Ford Fiesta American Thunder Cat-Back Exhaust System 817784
$1,111.99 ea
NEWARRIVING SOONEstimated Ship Date 06/27/2025 (If Ordered Today)12 Available from HOLLEY PERFORMANCE PRODUCTS as of 06/08/2025
Model: 4005466
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 2
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This Flowmaster American Thunder Cat-back exhaust system for the 2014-2019 Ford Fiesta ST with the 1.6L engine is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster. System features include all 2.50-inch mandrel-bent stainless steel tubing, a specially designed matched set hi-flow performance muffler and resonator ensuring maximum power and a quality exterior sound with a moderate and pleasant interior tone at cruising speeds. The system uses all the factory hangers locations for an easy installation and is finished off with a highly polished dual 3.00-inch exhaust tip for both good looks and amazing sound. System includes all necessary parts, hardware and instructions for an installation you can do at home. Covered by our Lifetime Limited Warranty.
Features:
  • Dual 3.00-inch Polished 304 Stainless Steel Tips
  • Specially Designed Hi-Flow Muffler & Resonator
  • 2.50-inch Mandrel-bent Stainless Steel Tubing
  • Dyno-Tuned for Maximum Performance
  • Uses the Factory Hanger Locations
  • Moderate/Aggressive Sound
  • Lifetime Limited Warranty
  • Flowmaster Quality
  • Easy Installation
Fits 2014-2019 Ford Fiesta ST Models with 1.6L Turbo Engine.
Installation Notes:
Fits 2014-2019 Ford Fiesta ST Models with 1.6L Turbo Engine.
About Flowmaster

Manufacturer of performance exhaust systems, mufflers, performance air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.

Downloads:

Download Name File Size
fm_warranty_general.pdf88.58KB
817784_instructions.pdf2.71MB

Videos:

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Submodel Years Engine
Ford Fiesta ST 2014 1.6L / 97 / L4
Ford Fiesta ST 2015 1.6L / 97 / L4
Ford Fiesta ST 2016 1.6L / 97 / L4
Ford Fiesta ST 2017 1.6L / 97 / L4
Ford Fiesta ST 2018 1.6L / 97 / L4
Ford Fiesta ST 2019 1.6L / 97 / L4

Specifications:

California Proposition 65 Chemical Name Chromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 Required Yes
Catalytic Converter Included No
Emission Code 5
Exhaust Series American Thunder
Exit Position Single Rear Exit
Heat Shield No
Material 409 Stainless Steel
Mount Type Uses Factory Hangers
Muffler Body Length (in) 6.5
Muffler Color Black
Muffler Finish Paint
Muffler Inlet Diameter (in) 2.5
Muffler Inlet Location Center
Muffler Material 409S Stainless Steel
Muffler Outlet Diameter (in) 2.5
Muffler Outlet Location Center
Muffler Overall Length (in) 25
Muffler Part Number Kit Only
Muffler Quantity 1
Muffler Series Outlaw
Muffler Shape Round
Muffler Type Reflection
Part Type Exhaust System Kit
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
Single Dual Single
Sound Level Aggressive / Moderate
System Type Cat-back
Tip Cut Angle
Tip Diameter (in) 3
Tip Edge Style Cut
Tip Finish Polished
Tip Length (in) 10
Tip Logo Embossed
Tip Material 304 Stainless
Tip Quantity 1
Tip Shape Round
Tubing Diameter (in) 2.5
Tubing Material 409S Stainless Steel
Warranty Limited Lifetime (Lifetime)

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