CSP SAVINGS!

CSP2026

Flowmaster 817397 - Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Moderate Sound

Flowmaster  |  SKU: FLO-817397
Sale price $1,11795 Regular price $1,25795

DISCLAIMER: This Item Is Special Ordered, which may have cancellation or return restrictions. Please see our terms and conditions for more information.


PLEASE NOTE: Pictures may be representative of style, rather than the actual product. Read the description for more details.

Description

Flowmaster 817397 - Cat-back System 409S - Dual Rear/Side Exit - American Thunder - Moderate Sound

Flowmaster American Thunder Cat-back Exhaust System

American Thunder Cat Back Exhaust System; Single; Dual Rear Same Side Exit; 2.75 in. In/2.5 in. Out; Incl. 50 Series™ HD Muffler/Tube Ext./3 in. Logo Embossed Stainless Steel Tips;

Wake up the power and performance of your 5.7L Hemi-powered 2004-2005 Dodge Ram 1500 with this American Thunder Cat-back exhaust system. The system is fully constructed from 16-gauge mandrel-bent stainless steel tubing flowing into a 50 Series HD performance muffler with a single inlet/dual out for minimum drone in the cab, but with a moderately aggressive exterior tone. This custom system features dual 2.50-inch mandrel bent tailpipes with a pair of large 3.00-inch polished stainless steel tips with your choice of exits, either dual out the side behind the wheels for towing, or exiting straight-out the back under the rear bumper for a muscular look. The system includes all necessary parts and hardware required for an easy installation that you can do at home. Covered by our Lifetime Limited Warranty. Notes: Fits both 2 and 4 wheel drives models and all wheelbases.

  • Includes Hangers and Hardware for an Easy Installation
  • Large 3.00-inch Polished 304 Stainless Steel Tips
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Connects After Factory Catalytic Converter
  • Super 50 Series Performance Muffler
  • Uses the Factory Hanger Locations
  • Moderate Exterior Exhaust Tone
  • Two Choices of Tailpipe Exits
  • Quick and Easy Installation
  • Lifetime Limited Warranty
Brand: Flowmaster
CARB (California) Compliant: Yes
Catalytic Converter Included: No
Catalytic Converter Quantity: 0
Category: Exhaust
Clamping Type: Flat Band
Clamps Included: Yes
Drive: 2WD
Drive: 4WD
Emission Code: 5
Exhaust Series: American Thunder
Exhaust Tip Color: Silver
Exhaust Tip Connection: Clamp-On
Exhaust Tip Cut: Angled
Exhaust Tip Diameter: 3.00
Exhaust Tip Edge: Rolled Edge Angle Cut
Exhaust Tip Finish: Polished
Exhaust Tip Intercooled: No
Exhaust Tip Length: 13.00
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 Side
Exit Style: Dual Out Rear
Finish: Natural
Gasket Or Seal Included: No
Grade Type: Performance
Hangers Included: Yes
Heat Shield Included: No
Inlet Diameter: 2.75
Inlet Type: Clamp-On
Main Piping Diameter: 2.50
Mounting Bracket Included: Yes
Muffler Body Height: 5.00
Muffler Body Length: 18.00
Muffler Body Material: 409 Stainless Steel
Muffler Body Shape: Oval
Muffler Body Width: 10.00
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: 3.00
Muffler Inlet Outside Diameter: 3.13
Muffler Outlet Connection: Slip-Fit
Muffler Outlet Quantity: 2
Muffler Part Number: Kit Only
Muffler Quantity: 1
Muffler Series: 50 Series HD
Muffler Type: Chambered
part type: Exhaust System
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 Outlet Outside Diameter: 2.50
Tail Pipe Quantity: 2
Tail Pipe Quantity: Dual
Tail Pipe Tapered Outlet: No
Type: Cat-Back
Valve Included: No
Valve Type: Not Applicable
Warning: California Proposition 65

What are people saying about CSP?