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CSP2026

Flowmaster 817853 - American Thunder Cat Back Exhaust System

Flowmaster  |  SKU: FLO-817853
Sale price $1,29995 Regular price $1,46295

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

Description

Flowmaster 817853 - American Thunder Cat Back Exhaust System

Exhaust System - American Thunder - Cat-Back - 2.5 in Diameter - Dual Side Exit - 3.5 in Polished Tips - Stainless - Natural - 5.3 L - GM Fullsize Truck 2019-25 - Kit

American Thunder Cat Back Exhaust System; Dual Out Rear Or Side Exit; Incl. 2.5in. Tubing/Super 40 Series Muffler/3.5 in. Polished Tips; 409 Stainless Steel;

This Flowmaster(R) American Thunder(R) Cat-back exhaust system is perfect for the person looking for deep, powerful sound outside the vehicle with a little growl inside the cab. This emissions-legal system is for 2WD & 4WD 2019-2024 GM 1500 trucks (new body style) with the 5.3L engine and factory single exhaust. System features include full stainless steel construction, a single in/dual outlet Super 40(R) Series muffler and mandrel-bent dual 2.50-inch stainless steel tailpipes for maximum performance and a deep sound. Maximum dyno gains of 21 hp and 23 lb.ft. at the rear wheels. This bolt-on system utilizes the factory hanger locations and includes your choice of tailpipe exits, either dual out the rear exiting under the bumper, or dual out the side behind the rear wheels to help prevent blowing exhaust on your boat or trailer when towing. The system is finished off with a pair of large 3.50-inch double wall polished 304 stainless steel tips. Designed for a perfect fit, the system includes installation instructions and all the necessary hardware for an easy at home installation. Note: Fits 2/4 wheel drive Crew cab and double cab models.

  • Large 3.50 inch Polished 304 Stainless Tips
  • Uses the Factory Hanger Locations
  • Deep, Powerful Performance Tone
  • Full Stainless Steel Construction
  • Clears Factory Spare Tire
  • Lifetime Limited Warranty
  • Mandrel-bent Tubing
  • Easy Installation
  • Max Dyno Gains of 21 hp and 23 lb.ft. of Torque
Brand: Flowmaster
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: Clamp-On
Exhaust Tip Cut: Angled
Exhaust Tip Diameter: 3.50
Exhaust Tip 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: Double 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 Type: Clamp-On
Main Piping Diameter: 2.50
Mount Type: Uses Factory Hangers
Mounting Bracket Included: Yes
Muffler Body Height: 5.00
Muffler Body Length: 13.50
Muffler Body Material: 409 Stainless Steel
Muffler Body Shape: Oval
Muffler Body Width: 10.00
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: 3.00
Muffler Inlet Location: Center
Muffler Inlet Outside Diameter: 3.13
Muffler Outlet Connection: Slip-Fit
Muffler Outlet Diameter: 2.50
Muffler Outlet Location: Dual
Muffler Outlet Quantity: 2
Muffler Overall Length: 19.50
Muffler Part Number: Kit Only
Muffler Quantity: 1
Muffler Series: Super 40 Series
Muffler Type: Reflection
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
Tip Logo: Embossed
Type: Cat-Back
Valve Included: No
Valve Type: Not Applicable
Warning: California Proposition 65

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