Outstanding service | Free Ground Shipping | No Backorders Ever | 30 Day Return Policy

Skip to product information
1 of 10

Flowmaster 817979 - American Thunder Cat Back Exhaust System

Flowmaster 817979 - American Thunder Cat Back Exhaust System

Flowmaster | 817979
SKU: FLO-817979
Regular price $1,049.95 USD
Regular price $1,181.95 USD Sale price $1,049.95 USD
Sale Sold out
Shipping calculated at checkout.

4 in stock

Quantity

Flowmaster 817979 - American Thunder Cat Back Exhaust System

Exhaust System - American Thunder - Cat-Back - 3 in Diameter - Dual Rear / Side Exit - 3.5 in Polished Tips - Stainless - Natural - Ford Fullsize Truck 2021-25 - Kit

American Thunder Cat Back Exhaust System; 3.5 in. Inlet Pipe; 2.5 in. Dual Tailpipes; 3.5 in. Polished Tips; 409 Stainless Steel; Incl. Installation Hardware;

Flowmaster introduces our new American Thunder stainless steel cat-back exhaust system for the 2021-2024 Ford F-150 with the 2.7L, 3.5L and 5.0L engines. This system uses a Super 40 series muffler for a deep powerful sound and increased performance. Maximum dyno gains of 11 HP and 10 LB.FT. at the rear wheels. Mandrel bent 409 stainless steel tubing is used for maximum exhaust flow and durability. The system has a 3.0-inch inlet pipe and dual 2.5-inch tailpipes with both side exit and rear exit options that allow you to customize the look of the kit. 3.5-inch polished stainless steel tips finish off the kit for a classic performance look. All of the necessary hardware is included and factory-mounting locations are used for an easy installation. Backed by Flowmaster's Lifetime Limited Warranty.

  • Includes Both Rear And Side Exit Tailpipes So The Final Look Can Be Customized
  • Super 40 Series Performance Muffler Delivers A Deep And Aggressive Performance Tone
  • Uses The Factory Hanger Locations For An Easy Installation
  • Clears The Factory Spare Tire
  • Stainless Steel Construction Adds Durability
  • 3.50-Inch Polished Stainless Steel Tips Add A Classic Performance Look
  • Delta Flow Technology Increases Performance And Reduces Drone
  • Mandrel-bent Tubing Maximizes Exhaust Flow
  • Maximum Dyno Gains Of 11 Hp And 10 Lb.Ft. At The Rear Wheels
  • 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
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: 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
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: 10.25
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: 1
Muffler Overall Length: 16.50
Muffler Part Number: Kit Only
Muffler Quantity: 1
Muffler Series: Super 40 Series
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
Tip Logo: Embossed
Type: Cat-Back
Valve Included: No
Valve Type: Not Applicable
Warning: California Proposition 65
View full details