2021 GMC Sierra 3500 HD Exhaust System Kits

Your 2021 GMC Sierra 3500 HD might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Exhaust System Kits you desperately need.

We currently carry 3 Exhaust System Kits to choose from for your 2021 GMC Sierra 3500 HD, and our inventory prices range from as little as $553.99 up to $982.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Exhaust System Kits for the 2021 GMC Sierra 3500 HD. We only sell parts from trusted brands like MBRP Exhaust so that you can find quality parts you can count on.

Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Exhaust System Kits stock in-person!

Exhaust System Kits for Your 2021 GMC Sierra 3500 HD

MBRP Exhaust – Pro Series, 4 In Cat Back System: Polished Tip, 304 Stainless Steel, Designed for Power and Sound (Part No.S5093304)

Pro Series, 4 In Cat Back System: Polished Tip, 304 Stainless Steel, Designed for Power and Sound

from

$982.99
PRO Series is the best performance exhaust system that money can buy. It is a series designed and built for the serious enthusiast who will settle for nothing less. Constructed from T304 stainless steel it delivers you optimal durability that keeps on looking its best. Easy to clean and maintain this is the product of choice for owners of lifted vehicles, show trucks or who operate in severe environments.

Product Features:
  • 4 Inch Cat Back Single Side Exit (Street Version) Exhaust System
  • 4 Inch Mandrel Bent Tubing
  • Moderate Sound Level
  • Bolt On, No Weld Design Makes Installation A No Hassle One And A Half To Two Hour Project
  • Limited Lifetime Warranty
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MagnaFlow – Pro Series Filter-Back Performance Exhaust System (Part No.17870)

Pro Series Filter-Back Performance Exhaust System

from

$839.99
The MagnaFlow PRO DPF Series 17870 utilizes it’s weight-optimized, durable, corrosion resistant stainless steel design to enhance your truck with MagnaFlow¿s signature sound and dyno-tested performance. 17870¿s 5in. diameter mandrel bent main piping features a muffler delete and terminates in a Single Passenger Side Rear exit with 6in. Polished Welded-Single Wall-Angle Cut-Rolled Edge-Intercooled tips. This emissions-legal filter-back exhaust kit has been tuned to create Mild interior and Moderate exterior sound levels. Exhaust system 17870 is emissions-legal and produced using CNC precision robotic manufacturing techniques that result in a direct-fit design that you can install yourself, all backed by MagnaFlow¿s limited lifetime warranty.

Product Features:
  • Throaty, powerful performance sound Magnaflow is famous for
  • Attention grabbing design thanks to an aggressive style
  • Intercooled tips
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MBRP Exhaust – Installer Series, 4 In Cat Back System: Polished Tip, Aluminized Steel, Designed for Power and Sound (Part No.S5093AL)

Installer Series, 4 In Cat Back System: Polished Tip, Aluminized Steel, Designed for Power and Sound

from

$553.99
Built to Perform MBRPs performance exhaust systems are built to perform. Designed to maximize exhaust flow and minimize exhaust temperatures your vehicle. Every system we sell has been built to the most exacting standards in the industry.

Product Features:
  • Aluminized Stainless Steel
  • Moderate Sound Level
  • 4 Inch Mandrel Bent Tubing
  • 4 Inch Cat Back Single Side Exit (Street Version) Exhaust System
  • Limited 3 Year Warranty
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FAQs for 2021 GMC Sierra 3500 HD Exhaust System Kits

What are the most popular Exhaust System Kits for the 2021 GMC Sierra 3500 HD?

With 2 brands you can trust, our most popular Exhaust System Kits for the 2021 GMC Sierra 3500 HD parts are:
Pro Series Filter-Back Performance Exhaust System
from $839.99
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Pro Series Filter-Back Performance Exhaust System
Exhaust System Kits