Important Update on US Tariffs and Pricing DETAILS ]

855.444.6872 Contact Us Mon-Sat 10a-6p
DRIVEN BY CARE

Flowmaster American Thunder Direct Fit Muffler 817568

Flowmaster American Thunder Direct Fit Muffler 817568
Flowmaster American Thunder Direct Fit Muffler 817568Flowmaster American Thunder Direct Fit Muffler 817568Flowmaster American Thunder Direct Fit Muffler 817568
$531.99 ea
NEWARRIVING SOONEstimated Ship Date 05/15/2025 (If Ordered Today)100 Available from HOLLEY PERFORMANCE PRODUCTS as of 04/25/2025
Model: 4005374
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 1
STORE PICKUP
[More Info]
"This Flowmaster® American Thunder® direct-fit muffler fits all 2009-2023* (*Classic body) RAM 1500 trucks equipped with the 5.7L Hemi and factory dual tailpipes. Features include full stainless steel construction, a 3.00-inch mandrel-bent inlet pipe flowing into a 50 Series HD™ muffler with large 4.00-inch internals and a built-in resonator helping keep the interior sound down to a minimum, while still delivering a deep moderate aggressive tone outside the vehicle. The system attaches to the factory hanger locations and includes all necessary hardware for a quick and easy installation that you can do at home. Covered by our Lifetime Limited Warranty.
Features:
  • Includes Hangers and Hardware for Easy Installation
  • Moderate/Aggressive Exterior Exhaust Tone
  • Dyno Tuned for Maximum Performance
  • 50HD Muffler with Built-in Resonator
  • Uses the Factory Hanger Locations
  • Stainless Steel Construction
  • Lifetime Limited Warranty
  • Flowmaster Quality
  • Easy Installation
Does Not fit the 2019-2023 new body RAM 1500 trucks or trucks with factory single tailpipe.
Installation Notes:
Does Not fit the 2019-2023 new body RAM 1500 trucks or trucks with factory single tailpipe.
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
817568_instructions.pdf2MB

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 Fitment Notes
Dodge Ram 1500 Laramie 2009 5.7L / 345 / V8 With factory dual tailpipes only
Dodge Ram 1500 Laramie 2010 5.7L / 345 / V8 With factory dual tailpipes only
Dodge Ram 1500 SLT 2009 5.7L / 345 / V8 With factory dual tailpipes only
Dodge Ram 1500 SLT 2010 5.7L / 345 / V8 With factory dual tailpipes only
Dodge Ram 1500 ST 2009 5.7L / 345 / V8 With factory dual tailpipes only
Dodge Ram 1500 ST 2010 5.7L / 345 / V8 With factory dual tailpipes only
Dodge Ram 1500 Sport 2009 5.7L / 345 / V8 With factory dual tailpipes only
Dodge Ram 1500 Sport 2010 5.7L / 345 / V8 With factory dual tailpipes only
Dodge Ram 1500 TRX4 2009 5.7L / 345 / V8 With factory dual tailpipes only
Dodge Ram 1500 TRX4 2010 5.7L / 345 / V8 With factory dual tailpipes only
Dodge Ram 1500 TRX 2009 5.7L / 345 / V8 With factory dual tailpipes only
Dodge Ram 1500 TRX 2010 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Classic Big Horn 2019 5.7L / 345 / V8 Fits trucks with factory dual exit only. Fits 2019 Classic models
Ram 1500 Classic Express 2019 5.7L / 345 / V8 Fits trucks with factory dual exit only. Fits 2019 Classic models
Ram 1500 Classic Express 2020 5.7L / 345 / V8 FITS TRUCKS WITH FACTORY DUAL TAILPIPES ONLY
Ram 1500 Classic Express 2021 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
with factory dual tailpipes only
Ram 1500 Classic Express 2022 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
with factory dual tailpipes only
Ram 1500 Classic Express 2023 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
with factory dual tailpipes only
Ram 1500 Classic Lone Star 2019 5.7L / 345 / V8 Fits trucks with factory dual exit only. Fits 2019 Classic models
Ram 1500 Classic Night Edition 2021 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
Ram 1500 Classic SLT 2019 5.7L / 345 / V8 Fits trucks with factory dual exit only. Fits 2019 Classic models
Ram 1500 Classic SLT 2020 5.7L / 345 / V8 FITS TRUCKS WITH FACTORY DUAL TAILPIPES ONLY
Ram 1500 Classic SLT 2021 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
with factory dual tailpipes only
Ram 1500 Classic SLT 2022 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
with factory dual tailpipes only
Ram 1500 Classic SLT 2023 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
with factory dual tailpipes only
Ram 1500 Classic ST 2019 5.7L / 345 / V8 Fits trucks with factory dual exit only. Fits 2019 Classic models
Ram 1500 Classic ST 2020 5.7L / 345 / V8 FITS TRUCKS WITH FACTORY DUAL TAILPIPES ONLY
Ram 1500 Classic Special Service 2019 5.7L / 345 / V8 Fits trucks with factory dual exit only. Fits 2019 Classic models
Ram 1500 Classic Special Service 2021 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
with factory dual tailpipes only
Ram 1500 Classic Special Service 2022 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
with factory dual tailpipes only
Ram 1500 Classic Special Service 2023 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
with factory dual tailpipes only
Ram 1500 Classic Tradesman 2019 5.7L / 345 / V8 Fits trucks with factory dual exit only. Fits 2019 Classic models
Ram 1500 Classic Tradesman 2020 5.7L / 345 / V8 FITS TRUCKS WITH FACTORY DUAL TAILPIPES ONLY
Ram 1500 Classic Tradesman 2021 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
with factory dual tailpipes only
Ram 1500 Classic Tradesman 2022 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
with factory dual tailpipes only
Ram 1500 Classic Tradesman 2023 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
with factory dual tailpipes only
Ram 1500 Classic Warlock 2019 5.7L / 345 / V8 FITS TRUCKS WITH FACTORY DUAL EXIT ONLY. FITS 2019 CLASSIC MODELS
Ram 1500 Classic Warlock 2020 5.7L / 345 / V8 FITS TRUCKS WITH FACTORY DUAL TAILPIPES ONLY
Ram 1500 Classic Warlock 2021 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
with factory dual tailpipes only
Ram 1500 Classic Warlock 2022 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
with factory dual tailpipes only
Ram 1500 Classic Warlock 2023 5.7L / 345 / V8 WITH FACTORY DUAL TAILPIPES ONLY
with factory dual tailpipes only
Ram 1500 Big Horn 2012 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Big Horn 2014 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Big Horn 2015 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Express 2012 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Express 2013 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Express 2014 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Express 2015 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Laramie Limited 2014 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Laramie Limited 2015 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Laramie Longhorn 2011 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Laramie Longhorn 2012 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Laramie Longhorn 2013 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Laramie Longhorn 2014 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Laramie Longhorn 2015 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Laramie Longhorn 2018 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Laramie 2011 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Laramie 2012 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Laramie 2013 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Laramie 2014 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Laramie 2015 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Laramie 2018 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Limited 2018 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Outdoorsman 2012 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Outdoorsman 2014 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Outdoorsman 2015 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 R/T 2013 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Rebel 2018 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 SLT 2011 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 SLT 2012 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 SLT 2013 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 SLT 2014 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 SLT 2015 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 SLT 2018 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 ST 2011 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 ST 2012 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 ST 2018 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Special Service 2014 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Special Service 2015 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Special Service 2018 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Sport 2011 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Sport 2012 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Sport 2013 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Sport 2014 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Sport 2015 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Sport 2018 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Tradesman HD 2012 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Tradesman 2011 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Tradesman 2012 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Tradesman 2013 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Tradesman 2014 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Tradesman 2015 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 Tradesman 2018 5.7L / 345 / V8 With factory dual tailpipes only
Ram 1500 2016 5.7L / 345 / V8
Ram 1500 2017 5.7L / 345 / V8

Specifications:

California Proposition 65 Chemical Name Chromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 Required Yes
Emission Code 5
Exhaust Series American Thunder
Heat Shield No
Inlet Diameter (in) 3
Inlet Position Offset
Material 409 Stainless Steel
Muffler Quantity 1
Muffler Series 50 Series HD
Muffler Type Welded Baffle
Outlet Diameter (in) 2.25
Outlet Position Dual
Part Type Exhaust Muffler
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
Sound Level Aggressive / Moderate
System Type Direct-Fit Muffler
Tubing Diameter (in) 3
Warranty Limited Lifetime (Lifetime)

Reviews:

Write a Review
* Your Name:
* Email (This will not be displayed)
* Rating:
Comments:

Ask a question about

Flowmaster American Thunder Direct Fit Muffler 817568: