My Account
My Garage
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order
MY GARAGE Select Vehicle
MY GARAGE

Flowmaster 817778 American Thunder Cat-Back Exhaust System

(2017-2023 Dodge Charger)

Part of: Flowmaster American Thunder Cat-Back Exhaust System

Other options in this family: Flowmaster 17395 Flowmaster 817568 Flowmaster 17213 Flowmaster 818196 Flowmaster 818176

Manufacturer

Picture for manufacturer Flowmaster

Part Number

817778
12 reviews
Sale Price

$1,149.95

In Stock (6)

delivery box

Usually delivered within 2 days

free shipping

FREE SHIPPING

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Flowmaster 817778 American Thunder Cat-Back Exhaust System delivers enhanced performance and an aggressive exhaust note for your vehicle. This complete cat-back system features premium stainless steel construction throughout, ensuring long-lasting durability and resistance to corrosion in all weather conditions.

Key Features:

  • Premium stainless steel construction for maximum durability and corrosion resistance
  • Scavenger X-pipe crossover design optimizes exhaust flow and enhances performance
  • Specially engineered larger muffler internals produce Flowmaster's signature powerful, deep exhaust tone
  • Designed to utilize factory exhaust hanger locations for straightforward installation
  • Compatible with factory exhaust valves—no modification required
  • Backed by Flowmaster's Lifetime Limited Warranty

This American Thunder system is engineered to bolt directly onto your vehicle using existing mounting points, making installation more straightforward for enthusiasts and professional installers alike. The X-pipe configuration balances exhaust pulses between cylinder banks, improving exhaust scavenging and delivering noticeable gains in throttle response. Experience the iconic Flowmaster sound with modern performance engineering.

Products specifications

Fits

2017-2023 Dodge Charger

Brand

Flowmaster

Prop 65

Yes

California Proposition 65 Chemical Name

Nickel (Metallic)

California Proposition 65 Chemical Name

Chromium (hexavalent compounds)

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 Intercooled

No

Exhaust Tip Quantity

2

Exhaust Tip Shape

Round

Exit Style

Dual Out Rear

Finish

Natural

Gasket Or Seal Included

No

Grade Type

Performance

Hangers Included

Yes

Heat Shield Included

No

Inlet Type

Clamp-On

Mount Type

Uses Factory Hangers

Mounting Bracket Included

No

Muffler (Left) Body Width

9.50

Muffler (Left) Type

Chambered

Muffler (Right) Type

Chambered

Muffler Body Material

409 Stainless Steel

Muffler Body Shape

Oval

Muffler Color

Black

Muffler Finish

Black High-Temperature Paint Finish

Muffler Flanged Inlet

No

Muffler Flanged Outlet

No

Muffler Inlet Connection

Slip-Fit

Muffler Inlet Location

Offset

Muffler Outlet Connection

Slip-Fit

Muffler Outlet Location

centered

Muffler Outlet Quantity

1

muffler part number

Kit Only

Muffler Quantity

2

Muffler Series

Super 40 Series

Muffler Type

Chambered

Pipe Color

Silver

Pipe Material

409 Stainless Steel

Product Type

Exhaust System

Sound Level

Aggressive / Moderate

Spring Bolt Kit Included

No

Sub Category

Exhaust and Tail Pipes

Tail Pipe Quantity

Dual

Tail Pipe Quantity

2

Tail Pipe Tapered Outlet

No

Type

Cat-Back

Valve Included

No

Valve Type

Not Applicable

Warning

California Proposition 65

So far the process is going well. Let's see if the product is legit and how long it takes to ship.

shipping is outrageous

Very easy and convenient

Great prices, weird search

Quick and easy

I was having difficulty finding EGR Fender Flares that were available, but Autoplicity not only had the exact set I needed but had them at the lowest price I'd seen and had super fast shipping - thank you Autoplicity!

Fast and simple. Product delivered as described.

No hotchkis rear 2" lowering springs available

Good. And easy

Quicker and cheaper than summit

Best price out there

easy to locate what I was looking for, smooth transaction

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy