Installation Time
(approx) 2 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
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Flowmaster American Thunder Dual Exhaust System with Polished Tips; Side/Rear Exit (20-24 6.6L Gas Silverado 3500 HD)
Item SHS8644
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Our Price
$972.95 (kit)
FREE Shipping Market Price $1,118.99 You Save 13% ($146.04) Up to 10% off for Military & First Responders! See DetailsWill this fit your Vehicle?
Ship to: Columbus - 43215
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Add Installation From:
Wards Auto Repair LLC
551 Corbett Rd, Groveport, OH
11.21 miles away
25 Reviews
*Specific shop subject to availability
Total cost of service $299.00
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Deep Aggressive Performance Tone
- Improves Exhaust Flow for an Increase in Power
- 50 Series Performance Mufflers
- Mandrel-bent 3-inch 409 Stainless Steel Tubing
- Dual Side or Dual Rear Exit
- Polished 304 Stainless Steel 4-inch Exhaust Tips
- Direct Bolt-On Upgrade
- Fits 2020-2024 6.6L Silverado 3500 HD Crew Cab Models with Standard Box
| Brand | Flowmaster |
| Exhaust System Type | Cat-Back System |
| Exhaust Tip Finish | Chrome, Polished |
| Exhaust Tubing Diameter | 3.00 Inch |
| Exhaust Material | Stainless Steel |
| Exhaust Tip Outlet Style | Dual |
| Exhaust Exit Location | Both Sides or Rear - After Tire |
| Exhaust Loudness | Loud |
Description
Flowmaster 50 Series Sound. Upgrading to a Flowmaster American Thunder Dual Exhaust System will unleash the beast hiding under the hood of your 3500 Chevrolet Silverado. This American Thunder Cat-Back will convert your Silverado's quiet, tame exhaust note into an aggressive one, with a moderate to aggressive tone inside the cab. Additionally this Kit comes with two sets of tail pipes for either a dual out the back look or dual out behind the rear tires, which is beneficial for towing.
Power And Performance. Flowmaster American Thunder Dual Exhaust not only improves the sound of your 3500 Silverado, but it will also improve its performance. With the help of its free flowing muffler design and high-flow mandrel bent piping, this Cat-Back will significantly improve exhaust flow for an increase in rear wheel horsepower and torque.
Stainless Steel Construction. Flowmaster manufactures their Cat-Back Exhaust Systems from 3-inch mandrel bent 16-gauge, 409 stainless steel tubing for it's durability and strength. This Cat-Back features a "50 Series" performance muffler with a pair of 4-inch diameter 304 polished stainless steel tips for impressive styling and sound.
Direct Bolt-On Installation. Flowmaster engineered their Cat-Back Exhaust to be a direct bolt-on upgrade replacement. This American Thunder Dual Exhaust System will easily bolt straight up to the factory piping without any cutting, modifications or special tools required for an easy straight forward installation.
Application. This Flowmaster American Thunder Dual Exhaust System with Polished Tips; Side/Rear Exit is designed to fit 2020-2024 6.6L Chevrolet Silverado 3500 HD Crew Cab models equipped with a Standard Box.
Power And Performance. Flowmaster American Thunder Dual Exhaust not only improves the sound of your 3500 Silverado, but it will also improve its performance. With the help of its free flowing muffler design and high-flow mandrel bent piping, this Cat-Back will significantly improve exhaust flow for an increase in rear wheel horsepower and torque.
Stainless Steel Construction. Flowmaster manufactures their Cat-Back Exhaust Systems from 3-inch mandrel bent 16-gauge, 409 stainless steel tubing for it's durability and strength. This Cat-Back features a "50 Series" performance muffler with a pair of 4-inch diameter 304 polished stainless steel tips for impressive styling and sound.
Direct Bolt-On Installation. Flowmaster engineered their Cat-Back Exhaust to be a direct bolt-on upgrade replacement. This American Thunder Dual Exhaust System will easily bolt straight up to the factory piping without any cutting, modifications or special tools required for an easy straight forward installation.
Application. This Flowmaster American Thunder Dual Exhaust System with Polished Tips; Side/Rear Exit is designed to fit 2020-2024 6.6L Chevrolet Silverado 3500 HD Crew Cab models equipped with a Standard Box.
Fitment:
- 2020 Chevrolet Silverado 3500
- 2021 Chevrolet Silverado 3500
- 2022 Chevrolet Silverado 3500
- 2023 Chevrolet Silverado 3500
- 2024 Chevrolet Silverado 3500
Flowmaster 817933
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- Inlet Pipe Assembly
- Muffler
- Right Tailpipe, Front
- Left Tailpipe, Front
- Right Tailpipe, Rear
- Left Tailpipe, Rear
- (2) Tips
4.6
Customer Reviews (234)
Questions & Answers
10 More Questions
Will It Fit My Silverado 3500
- 6.6L V8 - 20, 21, 22, 23, 24
