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Flowmaster 817895 American Thunder Cat-Back Exhaust System

(2019-2026 Chevrolet Silverado 1500; 2022 Chevrolet Silverado 1500 LTD; 2019-2026 GMC Sierra 1500; 2022 GMC Sierra 1500 Limited)

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

817895
7 reviews
Sale Price

$1,199.95

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Flowmaster 817895 American Thunder Cat-Back Exhaust System delivers a powerful performance upgrade with aggressive styling and proven power gains. This complete cat-back system features premium stainless steel construction throughout for maximum durability and corrosion resistance, backed by Flowmaster's Lifetime Limited Warranty.

Performance Features:

  • Large volume Super 40 Series muffler for Flowmaster's signature aggressive sound
  • Dyno-proven gains of up to 15 horsepower and 19 lb-ft of torque
  • Mandrel-bent stainless steel tubing for maximum exhaust flow
  • Moderate interior sound level with aggressive exterior exhaust note

Installation and Styling:

  • Complete bolt-on cat-back system designed for easy installation
  • Utilizes factory hanger locations for perfect fitment
  • Four large 4.0-inch quad tips with premium black ceramic coating
  • All stainless steel construction for long-lasting performance

The American Thunder series combines Flowmaster's legendary sound quality with measurable performance improvements, making it an ideal upgrade for enthusiasts seeking both power and presence. The system's moderate interior volume ensures comfortable daily driving while delivering an unmistakable aggressive tone under acceleration.

Products specifications

Fits

2019-2026 Chevrolet Silverado 1500; 2022 Chevrolet Silverado 1500 LTD; 2019-2026 GMC Sierra 1500; 2022 GMC Sierra 1500 Limited

Brand

Flowmaster

Prop 65

Yes

California Proposition 65 Chemical Name

Nickel (Metallic)

California Proposition 65 Chemical Name

Chromium (hexavalent compounds)

Catalytic Converter Quantity

0

Category

Exhaust

Clamping Type

Flat Band

Clamps Included

Yes

Emission Code

5

Exhaust Series

American Thunder

Exhaust Tip Color

Black

Exhaust Tip Connection

Welded

Exhaust Tip Cut

Angled

Exhaust Tip Edge

Angle Cut

Exhaust Tip Finish

Black Ceramic Coating

Exhaust Tip Intercooled

No

Exhaust Tip Length

7.50

Exhaust Tip Material

304 Stainless Steel

Exhaust Tip Quantity

4

Exhaust Tip Resonated

No

Exhaust Tip Shape

Round

Exhaust Tip Wall

Single Wall

Exit Style

Dual Out Rear

Finish

Natural

Gasket Or Seal Included

No

Grade Type

Performance

Hangers Included

Yes

Inlet Type

Clamp-On

Mount Type

Uses Factory Hangers

Mounting Bracket Included

No

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 Quantity

1

Muffler Series

Super 40 Series

Muffler Type

Chambered

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 Quantity

2

Tail Pipe Tapered Outlet

No

Type

Cat-Back

Valve Included

No

Valve Type

Not Applicable

Warning

California Proposition 65

A

great easy

It awesome i will be buy again pretty soon

I was a bit skeptical about your website since I've never purchased from you before, but your customer service representative was great at answering my questions. Thanks.

Good SO far!

had what i needed

WOW SUPER FAST SHIPPING GREAT SERVICE!!!!!!!!

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