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Flowmaster Catback System - Single Side Exit - American Thunder - Aggressive Sound - 17328
Flowmaster Catback System - Single Side Exit - American Thunder - Aggressive Sound - 17328 - Image 2

If you're looking to give your vehicle a touch of custom flair while enjoying all the perks of a Flowmaster Catback exhaust system, the S.O.S. (Single Out Side) systems are just what you need. The American Thunder series offers a balanced mix of moderate to aggressive tones, perfect for those who want their ride's performance to be heard loud and clear. Like every Flowmaster system, you can expect benefits such as better throttle response, increased power, and improved mileage. Plus, these systems are designed for a hassle-free fit, complete with all the necessary parts and hardware for a straightforward installation.


Features:
  • Mandrel bent 16 Gauge Tubing
  • Aggressive Sound Exterior Exhaust Tone
  • Includes hangers and hardware for easy installation
  • Dyno tuned for maximum performance
Specifications:
  • 2WD/4WD: 2WD/4WD
  • California Proposition 65 Chemical Name: Chromium (hexavalent compounds)
  • California Proposition 65 Chemical Name: Nickel (Metallic)
  • California Proposition 65 Required: Yes
  • Emission Code: 5
  • Exhaust Series: American Thunder
  • Exit Position: Single Side Exit
  • Heat Shield: No
  • Inlet Diameter (in): 3
  • Inlet Position: Dual
  • Material: Aluminized Steel
  • Muffler Part Number: Kit Only
  • Muffler Quantity: 1
  • Muffler Series: 50 Series Big Block
  • Outlet Diameter (in): 3.5
  • Product Type: Exhaust Systems / Kits
  • Single Dual: Single
  • Sound Level: Aggressive Sound
  • System Type: Catback System
  • Tip Diameter (in): 4
  • Tip Quantity: 1
  • Tubing Diameter (in): 3.5
  • Warning: California Proposition 65
Notes:
  • Fits 2001-2004 Chevrolet Silverado and GMC Sierra 2500 3/4 Ton and 1 Ton HD truck with 6.0L or 8.1L engine, compatible with both 2WD and 4WD models, including extended cab or crew cab configurations.
Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Flowmaster Banner

Who is Flowmaster?

Flowmaster is an aftermarket company that was founded in 1983. The company specializes in manufacturing high-performance exhaust systems for various vehicles. This includes classic muscle cars, modern sedans, trucks, jeeps, off-road vehicles, and more. 

It has since revolutionized the industry and has continued its tradition to produce high-quality exhaust parts. Today, Flowmaster has been the go-to brand of many car builders and enthusiasts worldwide and has been the market leader for years.

Pushing the Boundaries of Exhaust Design

Flowmaster has been the pioneer when it comes to developing mufflers. They produce mufflers that are quiet enough to be used legally on the streets but, at the same time, does not restrict the performance of the engine. This is why more and more people are choosing Flowmaster for their car builds as they can enjoy their vehicles on and off the streets.

An Exhaust For Any Style

The company provides its customers with the ability to choose the type of muffler they want. They offer five sound categories of their exhaust system, from quiet and discrete to something more aggressive and gives that racy sound. They can also choose between 12 designs of chambered mufflers, including their exclusively-designed “laminar-flow” muffler or “straight-through.”They also have a custom-built exhaust system for that one-of car builds.

Passionate Development Team

Flowmaster is composed of people who have years of experience in developing quality exhaust systems. Using the knowledge they acquired over the years, they improved their designs and matched it with the ever-growing technological advancement of vehicles today. 

Tried and Tested

With hundreds of installs under its belt, Flowmaster has proven itself to be a brand that delivers what it promised. In addition, all their exhaust systems are designed and dyno-tested, ensuring that they can maximize your vehicle’s performance once installed. 

Purchase Flowmaster at Vivid Racing

If you are in the market for an upgrade in your vehicle’s exhaust that would provide you with that distinct sound and improved performance, then Flowmaster is the brand for you. To know more about Flowmaster, visit Vivid Racing and check out their list of products that fit your requirement.




LIMITED WARRANTY:

This catalytic converter is warranted to be free from defects in materials andworkmanship subject to the exclusion and conditions set forth below and subject to the durational limits in this paragraph. This catalytic converter has been designed and manufactured and is warranted to meet federal Environmental Protection Agency emission requirements for 25,000 miles. The stainless steel body and the nipples alone are warranted for 5 years or 50,000 miles, whichever comesfirst. At the conclusion of the 5 year/50,000 mile or 25,000 mile period, whichever is applicable, all liability under this limited warranty shall terminate.

For full warranty information Click Here
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Things
Sale price None
Wholesale price $559.87
Shipping Weight: 56.40
Length: 60
Width: 17
Height: 17
Product Added At Monday 19 March, 2018
Product Modified At Thursday 10 July, 2025
Imported By EPICF
Last Edited By vendordata@vividracing.com
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Vendor Inv Cost Retail Jobber MAP Core Updated
Holley Performance Products Inc. $474.47 $821.95 ? $729.95 ? 2025-07-10 18:58:52
Holley Performance Products Inc. available_today: 54
$474.47 $821.95 ? $729.95 ? 2025-07-09 17:43:18
Keystone EastQty: 5
GreatLakesQty: 4
TotalQty: 9
UPSable: UPS Ground via Promo Shipping
IsOversized: YES - will incur accessorial fee
USAAccessorial: $14.00 (Accessorial Fee)
$602.21 ? $729.95 ? ? 2025-07-09 19:53:35
Meyer Distributing Total QTY: 1
MFG Dropship Fee: 10
LTL: False
Discontinued: NO
Oversize: n/a
Addtl Handling Charge: Yes
$502.89 ? $701.95 $647.95 ? 2025-07-10 01:42:51
Motorstate Distributing 8 $541.89 $729.95 $602.21 $729.95 ? 2025-07-10 14:51:48
Premier WD MFG Inventory : 5
Inventory Type: NonStocking

Active Promo Shipping:
40-79lbs $20 to ship ground
$531.41 $821.95 $729.95 $729.95 ? 2025-07-10 12:52:18
Quadratec 0 $634.99 $729.95 ? $729.95 ? 2025-07-09 21:18:34
Team Allied Distribution 1 $527.19 ? ? ? ? 2025-07-09 16:32:03

Manufacturer Direct Shipping
This item is available for direct shipping from the manufacturer. Please verify stock availability with the manufacturer. Once confirmed, you can place an order through [Meyer Distributing], who will arrange for dropshipping from the manufacturer directly to our customer.

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