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Flowmaster 817853 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

817853
8 reviews
Sale Price

$1,299.95

3 left at this price

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Flowmaster 817853 American Thunder Cat-Back Exhaust System delivers aggressive sound and proven performance gains for truck and SUV enthusiasts seeking maximum flow and power. This complete cat-back system features full 304 stainless steel construction throughout, ensuring long-lasting durability and corrosion resistance in all weather conditions.

Key Features:

  • Mandrel-bent tubing for maximum exhaust flow and horsepower gains
  • Large 3.50-inch polished 304 stainless steel tips for an aggressive appearance
  • Deep, powerful performance tone that delivers the signature Flowmaster sound
  • Proven dyno-tested gains of up to 21 horsepower and 23 lb-ft of torque
  • Utilizes factory hanger locations for straightforward bolt-on installation
  • Engineered to clear factory spare tire location without modifications
  • Full stainless steel construction for maximum durability and corrosion resistance
  • Backed by Flowmaster's Lifetime Limited Warranty

This American Thunder series exhaust system is designed for enthusiasts who want improved performance, enhanced throttle response, and an aggressive exhaust note without sacrificing quality or reliability. The mandrel-bent design maintains consistent pipe diameter throughout each bend, eliminating restrictions and maximizing exhaust flow for optimal performance gains.

Products specifications

Fits

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

Inlet Inside Diameter

2.500 in.

Tip Diameter

3.500 in.

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)

Exit Position

Dual Out Rear

Material

Stainless Steel

Tubing Diameter

2.500 in.

Tail Pipe Diameter

2.500 in.

Exhaust Type

Cat-Back

Brand

Flowmaster

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 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

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

Mount Type

Uses Factory Hangers

Mounting Bracket Included

Yes

Muffler Body Material

409 Stainless Steel

Muffler Body Shape

Oval

Muffler Color

Black

Muffler Finish

Black High-Temperature Paint Finish

Muffler Flanged Inlet

No

Muffler Flanged Outlet

No

Muffler Inlet Connection

Slip-Fit

Muffler Inlet Location

Center

Muffler Outlet Connection

Slip-Fit

Muffler Outlet Location

Dual

Muffler Outlet Quantity

2

muffler part number

Kit Only

Muffler Quantity

1

Muffler Series

Super 40 Series

Muffler Type

Reflection

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

Dual

Tail Pipe Quantity

2

Tail Pipe Tapered Outlet

No

Tip Logo

Embossed

Type

Cat-Back

Valve Included

No

Valve Type

Not Applicable

Warning

California Proposition 65

Quick and easy

Good price, hope shipping is quick and part is right fit.

great

Very simple and the shipping was fast

Good

Easy to order and select parts.

so for so good

Great price and fast shipping!! i would order parts again from here.. Thanks

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