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Flowmaster 817328 American Thunder Cat-Back Exhaust System

(Chevrolet Silverado 2500 HD 2001-06, Silverado 3500 2001-06, Silverado 2500 HD Classic 2007, Silverado 3500 Classic 2007 + 4 more models)

Manufacturer

Picture for manufacturer Flowmaster

Part Number

817328
18 reviews
Sale Price

$899.95

Estimated ship date Tuesday, November 24

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Product Details

The Flowmaster American Thunder Cat-Back Exhaust System delivers enhanced performance and an aggressive exhaust note for enthusiasts seeking that classic Flowmaster sound. This complete cat-back system connects directly after the factory catalytic converter, providing a straightforward upgrade path that maximizes exhaust flow while maintaining emissions compliance.

Key Features:

  • Moderately aggressive exterior exhaust tone for an enhanced driving experience
  • Large 4-inch polished 304 stainless steel tip for a premium appearance
  • Utilizes factory hanger locations for proper fitment and vibration control
  • Includes all necessary hangers and hardware for installation
  • Engineered for quick and easy bolt-on installation
  • Backed by Flowmaster's Lifetime Limited Warranty

Flowmaster's American Thunder series is designed to provide the perfect balance between performance gains and street-friendly sound levels. The mandrel-bent tubing ensures smooth exhaust flow, while the precision-engineered design guarantees a perfect fit using OEM mounting points. The polished stainless steel tip adds a custom touch that complements any vehicle's appearance.

Products specifications

Fits

Chevrolet Silverado 2500 HD 2001-06, Silverado 3500 2001-06, Silverado 2500 HD Classic 2007, Silverado 3500 Classic 2007; GMC Sierra 2500 HD 2001-06, Sierra 3500 2001-06, Sierra 2500 HD Classic 2007, Sierra 3500 Classic 2007

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

2WD

Drive

4WD

Emission Code

5

Exhaust Series

American Thunder

Exhaust Tip Color

Silver

Exhaust Tip Connection

Welded

Exhaust Tip Cut

Angled

Exhaust Tip Edge

Rolled Edge Angle Cut

Exhaust Tip Finish

Polished

Exhaust Tip Intercooled

No

Exhaust Tip Length

10.00

Exhaust Tip Material

304 Stainless Steel

Exhaust Tip Quantity

1

Exhaust Tip Resonated

No

Exhaust Tip Shape

Round

Exhaust Tip Wall

Single Wall

Exit Style

Single 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

Clamp-On

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 Inlet Location

Dual

Muffler Outlet Connection

Slip-Fit

Muffler Outlet Quantity

1

muffler part number

Kit Only

Muffler Quantity

1

Muffler Series

50 Series Big Block

Muffler Type

Chambered

Pipe Color

Silver

Pipe Material

409 Stainless Steel

Product Type

Exhaust System

Sound Level

Aggressive

Spring Bolt Kit Included

No

Sub Category

Exhaust and Tail Pipes

Tail Pipe Quantity

1

Tail Pipe Quantity

Single

Tail Pipe Tapered Outlet

No

Type

Cat-Back

Valve Included

No

Valve Type

Not Applicable

Warning

California Proposition 65

Fast turn around

Easy assess to find part. Rare item was found on your site.

No problems at all.

Good website, fast delivery.

Good deal on the oil I bought. Recommended it to others

Quick, easy, came with at least one product review, good description, reasonable product and shipping price. Could have better pictures, that show the whole item, lid included, as well as a picture of the back, with usage instructions, etc., so that those of us who know nothing of guns or gun products, and are getting this item as a gift for someone who does, can be sure to get a more thorough idea of what they're buying.

Great experience the firat time ordering. The second time ordering, its already been a week past delivery date and still nothing. And for some reason instead of shipping tobmy state, the shipped from california to south carolina and im assuming they will be coming to me next

Surprised at the speed of delivery. I will be a return customer.

The checkout was very quick.

Best price on the Internet! Fast Shipping and great communication. I will definitely do business with them again!

Very fast shipping and good cutomer service

Best prison the Internet and quick order fulfillment. Glad to have found Autoplicity!

Ordered 4 race ramps flatstoppers for winter storage of my Dodge Viper. Product prevents flat spots on auto tires that are stored more than 30 days. Order process was extremely easy, product was promptly shipped. I'll definately do business with Autoplicity in the future.

Very please with first buying experience with Autoplicity! Not only did they have the best price, I promptly received the following e-mail message the next day after I ordered.<br><br>Hello brian willard!, <br>Good news! You order has been shipped. <br>Order Number: 1412<br>Order Details: http://autoplicity.com/orderdetails.aspx?orderid=1412<br>Date Ordered: Wednesday, December 21, 2011<br>Tracking Number: 1Z4XR0770346534081

The best price found on the net for an Airtex fuel pump. Fast shipping via UPS. Received 08/09/2012<br><br>Autoplicity is now in my favorites. Order Number: <br>Ray J.

Shipped out fast. Prices are very competitive. Couldn't ask for more.

Best prices I could find on bug shields and rain guards!

Really easy

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