Flowmaster American Thunder Cat-back Exhaust System - Flowmaster (817737)

Sale Price$1,404.65
Description : Flowmaster's American Thunder Cat-back exhaust system for the 2015-2023 Dodge Challenger SXT is perfect for the person looking for a moderate exterior sound level while maintaining a mild interior sound with all of the performance benefits that you would expect from Flowmaster. This bolt-on cat-back 409S stainless steel system for the 3.6L engine features 2.50-inch mandrel-bent tubing and includes a Scavenger X-pipe crossover for a unique deep sound and maximum power. The dual Super 44 Series mufflers flow into dual 2.50-inch mandrel-bent tailpipes which are finished off with tuned resonators and stainless steel tips that exit within the rear bumper valance. The exhaust system is covered by our Lifetime Limited Warranty, is designed for an easy fit and includes all necessary parts and hardware for installation.
2015-2023 Dodge Challenger SXT with 3.6L engine. - Aggressive to moderate sound
15-23 DODGE CHALLENGER 3.6L AMT 409S
SYS 15-23 DO
Fits 2015-2023 Dodge Challenger SXT with 3.6L engine.
Manufacturer of performance exhaust systems, mufflers, performance air intakes, 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 4 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.
2015-2023 Dodge Challenger SXT with 3.6L engine. - Aggressive to moderate sound
15-23 DODGE CHALLENGER 3.6L AMT 409S
SYS 15-23 DO
Fits 2015-2023 Dodge Challenger SXT with 3.6L engine.
Manufacturer of performance exhaust systems, mufflers, performance air intakes, 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 4 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.
- Return Policy
- Min. 12 Months
- Safe, Secure Checkout
Product Details
Installation GuideDescription
Flowmaster's American Thunder Cat-back exhaust system for the 2015-2023 Dodge Challenger SXT is perfect for the person looking for a moderate exterior sound level while maintaining a mild interior sound with all of the performance benefits that you would expect from Flowmaster. This bolt-on cat-back 409S stainless steel system for the 3.6L engine features 2.50-inch mandrel-bent tubing and includes a Scavenger X-pipe crossover for a unique deep sound and maximum power. The dual Super 44 Series mufflers flow into dual 2.50-inch mandrel-bent tailpipes which are finished off with tuned resonators and stainless steel tips that exit within the rear bumper valance. The exhaust system is covered by our Lifetime Limited Warranty, is designed for an easy fit and includes all necessary parts and hardware for installation.
2015-2023 Dodge Challenger SXT with 3.6L engine. - Aggressive to moderate sound
15-23 DODGE CHALLENGER 3.6L AMT 409S
SYS 15-23 DO
Fits 2015-2023 Dodge Challenger SXT with 3.6L engine.
Manufacturer of performance exhaust systems, mufflers, performance air intakes, 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 4 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.
2015-2023 Dodge Challenger SXT with 3.6L engine. - Aggressive to moderate sound
15-23 DODGE CHALLENGER 3.6L AMT 409S
SYS 15-23 DO
Fits 2015-2023 Dodge Challenger SXT with 3.6L engine.
Manufacturer of performance exhaust systems, mufflers, performance air intakes, 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 4 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.
Features & Benefits
- Dyno Tuned For Maximum Performance
- Exclusive Scavenger X-pipe Crossover
- Uses the Factory Hanger Locations
- Stainless Steel Construction
- Specially Tuned Resonators
- Lifetime Limited Warranty
- Flowmaster Reliability
- Delta Flow Technology
Part Number (MPN)
817737
Brand
SKU
817737
UPC / GTIN
700042032013 / 00700042032013
Condition
New
Disclaimer
Yes
Brand
Flowmaster
California Proposition 65 Chemical Name
Chromium (hexavalent compounds)<br />Nickel (Metallic)
CARB (California) Compliant
Yes
Catalytic Converter Included
No
Catalytic Converter Quantity
0
Category
Exhaust
Clamping Type
Flat Band
Clamps Included
Yes
Emission Code
5
Exhaust Series
American Thunder
Exhaust Tip Color
Silver
Exhaust Tip Connection
Welded
Exhaust Tip Cut
Angled
Exhaust Tip Diameter
2.50
Exhaust Tip Edge
Slash Cut
Exhaust Tip Finish
Polished
Exhaust Tip Intercooled
No
Exhaust Tip Length
3.375
Exhaust Tip Material
304 Stainless Steel
Exhaust Tip Quantity
2
Exhaust Tip Resonated
No
Exhaust Tip Shape
Round
Exhaust Tip Wall
Single Wall
Exit Style
Dual Out Rear
Finish
Natural
Gasket Or Seal Included
No
Grade Type
Performance
Hangers Included
Yes
Heat Shield Included
No
Inlet Diameter
2.50
Inlet Type
Clamp-On
Main Piping Diameter
2.50
Mount Type
Flanged
Mounting Bracket Included
No
Muffler (Left) Body Height
4.00
Muffler (Left) Body Length
13.25
Muffler (Left) Body Width
9.50
Muffler (Left) Type
Chambered
Muffler (Right) Body Height
4.00
Muffler (Right) Body Length
13.25
Muffler (Right) Body Width
9.50
Muffler (Right) Type
Chambered
Muffler Body Height
4.00
Muffler Body Length
13.25
Muffler Body Material
409 Stainless Steel
Muffler Body Shape
Oval
Muffler Body Width
9.50
Muffler Color
Black
Muffler Finish
Black High-Temperature Paint Finish
Muffler Flanged Inlet
No
Muffler Flanged Outlet
No
Muffler Included
Yes
Muffler Inlet Connection
Slip-Fit
Muffler Inlet Inside Diameter
2.50
Muffler Inlet Outside Diameter
2.63
Muffler Outlet Connection
Slip-Fit
Muffler Outlet Quantity
1
Muffler Part Number
Kit Only
Muffler Quantity
2
Muffler Series
Super 44
Muffler Type
Chambered
part type
Exhaust System
Pipe Color
Silver
Pipe Material
409 Stainless Steel
Product Type
Exhaust System
Resonator (Rear Left) Body Height
3.00
Resonator (Rear Left) Body Length
11.75
Resonator (Rear Left) Body Width
6.10
Resonator (Rear Left) Type
Chambered
Resonator (Rear Right) Body Height
3.00
Resonator (Rear Right) Body Width
6.10
Resonator (Rear Right) Type
Chambered
Sound Level
Aggressive / Moderate
Spring Bolt Kit Included
No
Sub Category
Exhaust and Tail Pipes
Tail Pipe Outlet Outside Diameter
2.50
Tail Pipe Quantity
2<br />Dual
Tail Pipe Tapered Outlet
No
Tip Logo
None
Valve Included
No
Valve Type
Not Applicable
Warning
California Proposition 65
| Year | Make | Model | Body & Trim | Engine & Transmission |
|---|---|---|---|---|
Vehicle #1
Year
Make
Model
Body & Trim
Engine & Transmission
Shipping Policy
Operated by RevolutionParts Inc · Effective date: 11/2025 · Last updated: 4/2026... Check out our Shipping Policy for more details.
Return Policy
At PartsDirect.parts, operated by RevolutionParts Inc, we want you to be completely satisfied with your purchase. This policy outlines how to cancel orders, initiate returns, and receive refunds. Please read it carefully before completing your purchase... Check out our Return Policy for more details.

