2021 GMC Sierra 1500 Exhaust Upgrade Parts
144 parts listed for your 2021 GMC Sierra 1500 for a complete exhaust upgrade. Choose your trim on product pages to confirm exact fit. A moderate DIY project - estimated 2-5 hours.
Cat-Back Exhaust
(107)primary
aFe
aFe 20-21 GM Trucks (V8-6.2L) 409 Stainless Steel Muffler Delete Pipe
$155.00
aFe
aFe 20-21 GM Trucks (V8-6.2L) 409 Stainless Steel Muffler Upgrade Pipe
$236.00
aFe
AFE Apollo GT Series 19-20 GM 1500 2.7L (T) 409 SS CB Exhaust System w/Black Tip
$981.00
aFe
aFe Apollo GT Series 19-20 GM 1500 2.7L (t) 409 SS CB Exhaust System w/Polished Tip
$884.00
aFe
aFe Apollo GT Series 2019 GM Silverado/Sierra 1500 4.3L/5.3L 409 SS CatBack Exhaust System w/Blk Tip
$981.00
aFe
aFe Apollo GT Series 2019 GM Silverado/Sierra 1500 4.3L/5.3L 409 SS CB Exhaust System w/Polished Tip
$884.00
aFe
aFe Apollo GT Series 409 Stainless Steel Muffler Delete Pipe GM Silverado/Sierra 1500 19-20 V8-5.3L
$144.00
aFe
aFe Apollo GT Series 409 Stainless Steel Muffler Upgrade Pipe GM Silverado/Sierra 1500 19-20 V8-5.3L
$252.00
Headers
(11)primary
aFe
aFe Twisted Steel 1-3/4in 304SS Shorty Headers 2019 GM Silverado / Sierra 1500 V8-5.3L/6.2L
$1223.85
BBK
BBK 19-24 GM Full Size 5.3/6.2L Shorty Headers (Silver Ceramic)
$629.75
BBK
BBK 19-24 GM Full Size 5.3/6.2L Shorty Headers (Ti Ceramic)
$598.26
Fel-Pro
Fel-Pro Chevrolet Silverado 1500 Exhaust Manifold Gasket Set
$24.61
Fel-Pro
Fel-Pro Chevrolet Silverado 1500 MS 97531 Exhaust Manifold Gasket Set
$33.95
JBA
JBA 19-20 GM Truck 5.3/6.2L DFI 1-3/4in Primary Raw 409 Cat4Ward Header
$912.51
JBA
JBA 19-20 GM Truck 5.3/6.2L DFI 1-3/4in Primary Raw 409 Cat4Ward Header
$709.39
Kooks Headers
Kooks 19-22 Chevrolet Silverado 1500 6.2L 1-7/8 x 3 Header & Catted Y-Pipe Kit
$4057.16
Mufflers
(26)primary
aFe
aFe Large Bore-HD 3in 409SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Black Tip
$660.00
aFe
aFe Large Bore-HD 3in 409SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Polished Tip
$593.00
aFe
aFe Rebel XD Series 3in 304SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Dual Black Tip
$871.00
aFe
aFe Rebel XD Series 3in 304SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Dual Polished Tip
$808.00
aFe
aFe Vulcan Series 3in 304SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Dual Black Tip
$1532.00
aFe
aFe Vulcan Series 3in 304SS DPF-Back 20-21 GM Trucks L6-3.0L (td) LM2 - Dual Polished Tip
$1329.00
Borla
Borla 19-20 Chevrolet Silverado 1500 / GMC Sierra 1500 6.2L V8 WB Adapter
$84.99
Borla
Borla 19-20 GM Silverado/Sierra 1500 Crew Cab STD Bed 5.3L Wheelbase Adapter Pipe
$74.99
Exhaust Upgrade for Other GMC Sierra 1500 Years
Other Jobs for Your 2021 GMC Sierra 1500
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2021 GMC Sierra 1500?
A complete exhaust upgrade on the 2021 GMC Sierra 1500 typically requires cat-back exhaust, headers, mufflers. This page groups parts commonly associated with that year, make, and model; confirm your trim on product pages for exact fit.
How long does a exhaust upgrade take on a 2021 GMC Sierra 1500?
A exhaust upgrade typically takes 2-5 hours and is rated as moderate difficulty. Actual time may vary depending on your experience and the specific parts being replaced.
Can I do a exhaust upgrade myself?
A exhaust upgrade is a moderate DIY project. If you have some mechanical experience and the right tools, you can handle it. Otherwise, consider having a professional do the work.
Are these parts guaranteed to fit my 2021 GMC Sierra 1500?
These parts are listed for the 2021 GMC Sierra 1500 using manufacturer fitment data. Some products fit every trim, while others require trim confirmation. Use your trim in My Garage or the product page fitment checker to confirm exact fit.
What brands make exhaust upgrade parts for the 2021 GMC Sierra 1500?
We carry exhaust upgrade parts from trusted brands including aFe, BBK, Fel-Pro, JBA, and Kooks Headers. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2021 GMC Sierra 1500?
The cost of a exhaust upgrade for the 2021 GMC Sierra 1500 depends on the parts and brands you choose. Browse the parts on this page to see current pricing. Doing the work yourself saves significantly on labor costs.