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Flowmaster 817541 American Thunder Cat-Back Exhaust System

(2011-2019 Chevrolet Silverado 2500 HD; 2015-2019 Chevrolet Silverado 3500 HD; 2011-2019 GMC Sierra 2500 HD; 2011-2019 GMC Sierra 3500 HD)

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

817541
21 reviews
Sale Price

$1,349.95

2 left at this price

delivery box

Usually delivered within 2 days

free shipping

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

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Fitment guaranteed

Fitment guaranteed

Product Details

The Flowmaster American Thunder Cat-Back Exhaust System delivers aggressive sound and improved performance with premium stainless steel construction. This complete bolt-on system is engineered to replace your factory exhaust from the catalytic converter back, offering both enhanced flow and that distinctive Flowmaster tone.

Key Features:

  • 50 Series HD muffler with Delta Flow technology for aggressive sound and maximum flow
  • Stainless steel construction throughout for lasting durability and corrosion resistance
  • Large 3-inch dual tailpipes for improved exhaust flow and bold styling
  • Multiple tailpipe exit options included in kit for customized appearance
  • Utilizes factory hanger locations for straightforward bolt-on installation
  • Backed by Flowmaster's lifetime limited warranty

This American Thunder system provides the perfect balance of performance and sound, delivering that deep, aggressive tone Flowmaster is known for while maintaining excellent build quality. The Delta Flow technology in the 50 Series HD muffler reduces interior drone while maximizing exhaust scavenging for optimal performance gains.

Products specifications

Fits

2011-2019 Chevrolet Silverado 2500 HD; 2015-2019 Chevrolet Silverado 3500 HD; 2011-2019 GMC Sierra 2500 HD; 2011-2019 GMC Sierra 3500 HD

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

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

Exit Style

Dual Out Rear

Finish

Natural

Gasket Or Seal Included

No

Grade Type

Performance

Hangers Included

Yes

Heat Shield Included

No

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

50 Series HD

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

Dual

Tail Pipe Quantity

2

Tail Pipe Tapered Outlet

No

Type

Cat-Back

Valve Included

No

Valve Type

Not Applicable

Warning

California Proposition 65

Product as described and delivered on time

Grŕrrrrrrrrrrrrrrrtttteeeeeeeeeeeeeereeraaaaaaaaattttttttttttt

Good

My first order was delivered in under 48 hrs nice work thank you

Easy to find part needed.

Great deal, super happy with the free shipping!

Great transaction, great price

Great service and quality, the product was correct. I will be a repeat customer

It was quick and easy.

Was fast and easy to look for parts and order.

Easy shopping thank you

Autoplicity has a vast sea of parts (just what I needed)and the Shipping was fast and furious. Great Company. Thanks Tom.

Would be nice to get an estimate on ground shipping time.

Great item comunication and fast shipping. Defenitly you a new costumer

Prices were good and the order shipped promptly. The email notice of shipment was a little late. It came after the order had arrived.

They beat everyones price on-line and in town and it only took ten days to get my tire delivered to my front door I will shop with Autoplicity again I have told all my friends about the low price already Thank You

Great Price -- Better Than AMAZON ! Great Delivery -- Great email with status of order etc.

Item was shipped out the next day and arrived fast within 3 days. Lowest price available and will gladly shop here again soon.

Best price available on the web for quality parts!! Thank you!!<br><br>Order# 19019

Great product, price and service and FREE delivery. Got my order in only 2 days.

Wow super fast shipping and I ordered over a holiday weekend. Will be doing business with this site again soon.

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