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Flowmaster 817342 American Thunder Cat-Back Exhaust System - with Dual Tips

(2001-2006 GMC Yukon XL 1500; 2001-2006 Chevrolet Suburban 1500; 2002-2006 Chevrolet Avalanche 1500)

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

817342
14 reviews
Sale Price

$1,171.95

2 left at this price

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Usually delivered within 2 days

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Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Flowmaster 817342 American Thunder Cat-Back Exhaust System delivers an aggressive performance look with dual outlet styling while maintaining a moderate exterior sound and mild interior tone. This complete exhaust system is engineered to enhance both the appearance and performance of your vehicle without excessive cabin noise.

Key Features:

  • Super 50 Series performance muffler for optimal flow and sound control
  • Mandrel-bent 16-gauge stainless steel tubing for maximum exhaust flow and durability
  • Dual 4-inch polished 304 stainless steel tips for an aggressive appearance
  • Specially tuned resonator to eliminate unwanted drone and refine exhaust tone
  • Connects directly after factory catalytic converter for straightforward installation
  • Utilizes factory hanger locations for proper fitment and support
  • Includes all necessary hangers and hardware for easy bolt-on installation

This cat-back system combines Flowmaster's legendary performance muffler technology with precision-engineered tubing to deliver improved exhaust flow while maintaining excellent sound quality. The stainless steel construction ensures long-lasting durability and corrosion resistance, backed by Flowmaster's Lifetime Limited Warranty. The moderate sound level makes this system ideal for enthusiasts who want enhanced performance and styling without an overly aggressive exhaust note for daily driving.

Products specifications

Fits

2001-2006 GMC Yukon XL 1500; 2001-2006 Chevrolet Suburban 1500; 2002-2006 Chevrolet Avalanche 1500

Inlet Inside Diameter

2.500 in.

Outlet Outside Diameter

2.500 in.

System Type

Cat Back

Prop 65

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

California Proposition 65 Chemical Name 2

Chromium (hexavalent compounds)

California Proposition 65 Chemical Name 1

Nickel (metallic)

California Proposition 65 Chemical Name

Nickel (Metallic)

California Proposition 65 Chemical Name

Chromium (hexavalent compounds)

Heat Shield Attached

No

Material

Stainless Steel

Muffler Count

1

Exhaust Type

Single

Tip Diameter

4.000 in.

Exit Position

Dual Side

Tubing Diameter

2.500 in.

Outlet Diameter

2.500 in.

Tip Quantity

2

Tail Pipe Diameter

2.500 in.

Single or Dual

Dual

Title

Flowmaster 817342 Cat-back System 409S - Dual Side Exit - American Thunder - Moderate Sound

Brand

Flowmaster

Catalytic Converter Quantity

0

Category

Exhaust

Clamping Type

Flat Band

Clamps Included

Yes

Drive

4WD

Drive

2WD

Emission Code

5

Exhaust Series

American Thunder

Exhaust Tip Color

Silver

Exhaust Tip Connection

Clamp-On

Exhaust Tip Cut

Angled

Exhaust Tip Edge

Angle Cut

Exhaust Tip Finish

Polished

Exhaust Tip Intercooled

No

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

Finish

Natural

Gasket Or Seal Included

No

Grade Type

Performance

Hangers Included

Yes

Heat Shield Included

No

Inlet Diameter

3.00

Inlet Type

Flanged

Mounting Bracket Included

Yes

Muffler Body Material

409 Stainless Steel

Muffler Body Shape

Oval

Muffler Finish

Black High-Temperature Paint Finish

Muffler Flanged Inlet

No

Muffler Flanged Outlet

No

Muffler Inlet Connection

Slip-Fit

Muffler Outlet Connection

Slip-Fit

Muffler Outlet Quantity

2

muffler part number

Kit Only

Muffler Quantity

1

Muffler Series

Super 50 Series

Muffler Type

Chambered

Pipe Color

Silver

Pipe Material

409 Stainless Steel

Product Type

Exhaust System

Resonator (Front) Type

Chambered

Resonator (Rear) Type

Chambered

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

it been great..............

Easy and simple.

you guys have parts that are difficult to find, you guys Rock!

These is a great company. I got an order confirmation right after I booked the order and then an email confirming my order was shipped. I have gotten the product yet, but I hear they are the best for my jeep.

Happy with purchase

By far the best prices listed and extremely fast shipment. A+++ seller

Very happy with the service

Great prices. Great customer services. Reasonable shipping and ship time.

easy purchase,delevery took way to long

Cheapest price i could find! Great communication, and fast shipping!

Great price. Easy transaction.

Hello, Great site, but the colors of the highlighted items are hard to see. You might try having better contrast on the selected item versus the non selected item. IE: The date, state, etc

it was easy

Excellent prices, inventory and fast service. I placed my order on Saturday, Aug 4, it was shipped on Monday, Aug 6, and due to arrive on Friday. I will be a repeat customer with prices and service like this.

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