Flowmaster

Flowmaster 818140 American Thunder Cat-Back Exhaust System

$1,299.95 USD

Sale Sold out

Shipping calculated at checkout.

Low stock: 1 left

Ships by freight — oversized item. Exact shipping is calculated in your cart.

Description & Features

Flowmaster 818140 American Thunder Cat-Back Exhaust System

This Flowmaster® American Thunder® cat-back exhaust system for the 2022-2026 Toyota Tundra with the 3.4-liter engine is manufactured using durable 409 stainless steel throughout and features 2.5-inch mandrel bent pipes for better exhaust gas flow. A 50 HD series muffler is used for maximum performance and delivers a moderate sound inside and out. This system offers dual out the rear or side exit options with 3.5-inch polished stainless steel tips for a custom look. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.

50-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
Dual out the rear or out the side exit options
Includes complete hardware and factory styled hangers in the stock locations for an easy installation
50 HD series muffler delivers a moderate sound level inside and out, along with increased performance
50-inch polished stainless steel tips add a custom look
Backed by Flowmaster’s Lifetime Limited Warranty

Specifications

Brand	Flowmaster
California Proposition 65	Yes
California Proposition 65 Chemical Name	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	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 Rear
Finish	Natural
Gasket Or Seal Included	No
Grade Type	Performance
Hangers Included	Yes
Inlet Type	Flanged
Main Piping Diameter	2.50
Mount Type	Uses Factory Hangers
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 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 Location	Dual
Muffler Inlet Outside Diameter	2.63
Muffler Outlet Connection	Slip-Fit
Muffler Outlet Diameter	2.50
Muffler Outlet Location	Dual
Muffler Outlet Quantity	2
Muffler Overall Length	24.00
Muffler Part Number	Kit Only
Muffler Quantity	1
Muffler Series	50 Series HD
Muffler Type	Reflection
part type	Exhaust System
Pipe Color	Silver
Pipe Material	409 Stainless Steel
Product Type	Exhaust System
Sound Level	Moderate
Spring Bolt Kit Included	No
Sub Category	Exhaust and Tail Pipes
Tail Pipe Outlet Outside Diameter	2.50
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

Packaging Information

Weight: 85.9 lbs
Dimensions: 63.5 x 16 x 15.25 IN

Safety

⚠ WARNING: This product can expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information visit www.P65Warnings.ca.gov

Warranty

View Warranty (PDF)

Installation Instructions

View Installation Instructions (PDF)

⚠ Fitment Notes