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Flowmaster American Thunder Cat-Back Exhaust System 817658

Flowmaster American Thunder Cat-Back Exhaust System 817658
Flowmaster American Thunder Cat-Back Exhaust System 817658Flowmaster American Thunder Cat-Back Exhaust System 817658Flowmaster American Thunder Cat-Back Exhaust System 817658
$1,608.99 ea

NEWARRIVING SOONEstimated Ship Date 05/22/2025 (If Ordered Today)17 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/03/2025
Model: 4005398
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 2
STORE PICKUP
[More Info]
The Flowmaster American Thunder® Cat-back exhaust system for the 2015-2016 Dodge Charger R/T and 2015-2023 Chrysler 300 with the 5.7L Hemi engine is perfect for the person looking for an aggressive exterior and interior sound level with all of the performance benefits that you would expect from Flowmaster®. This bolt-on 409S stainless steel system features a pair of Super 44™ Series mufflers for a deep, aggressive sound. The system uses our dual 2.50-inch Scavenger Series® X-Pipe and mandrel-bent tubing for maximum performance and a deep performance tone. The system is finished off with 2.50-inch stainless steel tips that exit within the factory exhaust bezels located in the rear bumper valence. Designed for an easy fit, this system includes all necessary parts and hardware for installation and includes our Lifetime Limited Warranty. Notes: Does NOT fit Charger Pursuit models identified by round exhaust cutouts without factory exhaust bezels in the rear valance.
Features:
  • Exclusive Scavenger Series Cross-over X-Pipe
  • Mandrel-bent 409 Stainless Steel Tubing
  • Dyno Tuned For Maximum Performance
  • Uses the Factory Hanger Locations
  • Super 44 Performance Mufflers
  • All Stainless Steel Construction
  • Lifetime Limited Warranty
  • Delta Flow Technology
Does NOT fit Charger Pursuit models identified by round exhaust cutouts without factory exhaust bezels in the rear valance.
Installation Notes:
Does NOT fit Charger Pursuit models identified by round exhaust cutouts without factory exhaust bezels in the rear valance.
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
817658_instructions.pdf2.19MB

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
Chrysler 300 C Platinum 2015 5.7L / 345 / V8
Chrysler 300 C Platinum 2016 5.7L / 345 / V8
Chrysler 300 C Platinum 2017 5.7L / 345 / V8
Chrysler 300 C 2015 5.7L / 345 / V8
Chrysler 300 C 2016 5.7L / 345 / V8
Chrysler 300 C 2017 5.7L / 345 / V8
Chrysler 300 C 2018 5.7L / 345 / V8
Chrysler 300 C 2019 5.7L / 345 / V8
Chrysler 300 C 2020 5.7L / 345 / V8
Chrysler 300 C 2021 5.7L / 345 / V8
Chrysler 300 S 2015 5.7L / 345 / V8
Chrysler 300 S 2016 5.7L / 345 / V8
Chrysler 300 S 2017 5.7L / 345 / V8
Chrysler 300 S 2018 5.7L / 345 / V8
Chrysler 300 S 2019 5.7L / 345 / V8
Chrysler 300 S 2020 5.7L / 345 / V8
Chrysler 300 S 2021 5.7L / 345 / V8
Chrysler 300 S 2022 5.7L / 345 / V8
Chrysler 300 S 2023 5.7L / 345 / V8
Dodge Charger R/T Road & Track 2015 5.7L / 345 / V8
Dodge Charger R/T Road & Track 2016 5.7L / 345 / V8
Dodge Charger R/T 2015 5.7L / 345 / V8
Dodge Charger R/T 2016 5.7L / 345 / V8

Specifications:

California Proposition 65 Chemical Name Chromium (hexavalent compounds), Nickel (Metallic)
California Proposition 65 Required Yes
Catalytic Converter Included No
Color Black muffler, natural tubing
Emission Code 5
Exhaust Series American Thunder
Exit Position Dual Out Rear
Heat Shield No
Inlet Diameter (in) 2.5
Material 409 Stainless Steel
Mount Type Flanged
Muffler Part Number Kit Only
Muffler Quantity 2
Muffler Series Super 44
Outlet Diameter (in) 2.5
Part Type Exhaust System Kit
Product Type Exhaust System
Proposition 65 www.P65Warnings.ca.gov
Shape Oval
Single Dual Dual
Sound Level Aggressive / Moderate
System Type Cat-back
Tip Cut Angle
Tip Diameter (in) 2.5
Tip Edge Style Cut
Tip Finish Polished
Tip Length (in) 3.25
Tip Logo None
Tip Material Stainless Steel
Tip Quantity 2
Tip Shape Round
Tubing Diameter (in) 2.5
Warranty Limited Lifetime (Lifetime)

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