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2019-2021 GMC Sierra 1500 Mufflers and Exhaust Systems

Let's get you ready to rumble with an aftermarket GMC Sierra Exhaust and Muffler. Phastek carries top brands like Borla, Flowmaster, MBRP and more for your GMC Sierra. Check out a few top rated exhausts and mufflers below.

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Flowmaster 4" x 9.75" x 13" Oval 40 Series Chambered Muffler, 2.5" Offset/Center :: Universal Fit, 2014-2021 Sierra 1500 Flowmaster 4" x 9.75" x 13" Oval 40 Series Chambered Muffler, 2.5" Offset/Center :: Universal Fit, 2014-2021 GMC Sierra 1500
Our Price: $94.46
Flowmaster 4" x 9.75" x 13" Oval 40 Series Chambered Muffler, 3" Offset/Center :: Universal Fit, 2014-2021 Sierra 1500 Flowmaster 4" x 9.75" x 13" Oval 40 Series Chambered Muffler, 3" Offset/Center :: Universal Fit, 2014-2021 GMC Sierra 1500
Our Price: $94.46
MBRP T409 Stainless Steel 3" Muffler Bypass :: 2019-2021 GMC Sierra 1500 V8-5.3L MBRP XP Series 3" Muffler Bypass, T409 Stainless Steel :: 2019-2021 GMC Sierra 1500 V8-5.3L
Our Price: $104.99
Borla 4" x 9.5" x 14" Oval Un-Notched Pro-XS Muffler, 3" Center/Offset :: Universal Fit, 2014-2021 Sierra 1500 Borla 4" x 9.5" x 14" Oval Un-Notched Pro-XS Muffler, 3" Center/Offset :: Universal Fit, 2014-2021 GMC Sierra 1500
Our Price: $106.99
Borla 4" x 9.5" x 14" Oval Notched Pro-XS Muffler, 3" Center/Offset :: Universal Fit, 2014-2021 Sierra 1500 Borla 4" x 9.5" x 14" Oval Notched Pro-XS Muffler, 3" Center/Offset :: Universal Fit, 2014-2021 GMC Sierra 1500
Our Price: $107.99
MagnaFlow 5" x 8" x 14" Oval Performance Muffler, 3" Center/Offset :: Universal Fit, 2014-2021 Sierra 1500 MagnaFlow 5" x 8" x 14" Oval Performance Muffler, 3" Center/Offset :: Universal Fit, 2014-2021 GMC Sierra 1500
Our Price: $115.00
MagnaFlow 5" x 8" x 18" Oval Performance Muffler, 3" Center/Offset :: Universal Fit, 2014-2021 Sierra 1500 MagnaFlow 5" x 8" x 18" Oval Performance Muffler, 3" Center/Offset :: Universal Fit, 2014-2021 GMC Sierra 1500
Our Price: $128.00
Flowmaster 5" x 10" x 17" Oval Super 50 Series Chambered Muffler, 3" Center/Offset :: Universal Fit, 2014-2021 Sierra 1500 Flowmaster 5" x 10" x 17" Oval Super 50 Series Chambered Muffler, 3" Center/Offset :: Universal Fit, 2014-2021 GMC Sierra 1500
Our Price: $166.95
MagnaFlow 5" x 11" x 22" Oval Performance Muffler, 3.5" Center/Offset :: Universal Fit, 2014-2021 Sierra 1500 MagnaFlow 5" x 11" x 22" Oval Performance Muffler, 3.5" Center/Offset :: Universal Fit, 2014-2021 GMC Sierra 1500
Our Price: $180.00
Borla 4.35" x 9" x 14" Atak CrateMuffler, 3" Offset/Center :: Universal Fitment, 2014-2021 Sierra 1500 Borla 4.35" x 9" x 14" Atak CrateMuffler, 3" Offset/Center :: Universal Fitment, 2014-2021 GMC Sierra 1500
Our Price: $273.99
MBRP Installer Series 3" Cat-Back Exhaust System w/ Single Side Exit, Aluminized Steel :: 2019-2021 GMC Sierra 1500 4.3L, 5.3L MBRP Installer Series 3" Cat-Back Exhaust System w/ Single Side Exit, Aluminized Steel :: 2019-2021 GMC Sierra 1500 4.3L, 5.3L
Our Price: $379.99
MBRP Installer Series 2.5" Cat-Back Exhaust System w/ Dual Rear Exit, Aluminized Steel :: 2019-2021 GMC Sierra 1500 6.2L MBRP Installer Series 2.5" Cat-Back Exhaust System w/ Dual Rear Exit, Aluminized Steel :: 2019-2021 GMC Sierra 1500 6.2L
Our Price: $429.99
MBRP Installer Series 2.5" Cat Back Exhaust System w/ Dual Rear Exit, Aluminized :: 2019-2021 GMC Sierra 1500 5.3L MBRP Installer Series 2.5" Cat Back Exhaust System w/ Dual Rear Exit, Aluminized Steel :: 2019-2021 GMC Sierra 1500 5.3L
Our Price: $449.99
MBRP Installer Series 3" Cat-Back Exhaust System w/ Pre-Axle Dual Outlet, Aluminized Steel :: 2019-2021 GMC Sierra 1500 4.3L, 5.3L MBRP Installer Series 3" Cat-Back Exhaust System w/ Pre-Axle Dual Side Exit, Aluminized Steel :: 2019-2021 GMC Sierra 1500 4.3L, 5.3L
Our Price: $469.99
MBRP XP Series 2.5" Cat Back Exhaust System w/ Dual Split Rear Exit, T304 Stainless Steel :: 2019-2021 GMC Sierra 1500 5.3L MBRP XP Series 2.5" Cat Back Exhaust System w/ Dual Split Rear Exit, T409 Stainless Steel :: 2019-2021 GMC Sierra 1500 5.3L
Our Price: $589.99
MBRP Black Series 3" Cat-Back Exhaust System w/ Single Side Exit, Black Coated :: 2019-2021 GMC Sierra 1500 4.3L, 5.3L MBRP Black Series 3" Cat-Back Exhaust System w/ Single Side Exit, Black Coated :: 2019-2021 GMC Sierra 1500 4.3L, 5.3L
Our Price: $624.99
MBRP Black Series 3" Cat-Back Exhaust System w/ Pre-Axle Dual Side Exit, Black Coated :: 2019-2021 GMC Sierra 1500 4.3L, 5.3L MBRP Black Series 3" Cat-Back Exhaust System w/ Pre-Axle Dual Side Exit, Black Coated :: 2019-2021 GMC Sierra 1500 4.3L, 5.3L
Our Price: $624.99
MBRP Pro Series 3" Cat Back Exhaust System w/ Pre-Axle Dual Side Exit, T304 Stainless Steel :: 2019-2021 GMC Sierra 1500 4.3L, 5.3L MBRP Pro Series 3" Cat Back Exhaust System w/ Pre-Axle Dual Side Exit, T304 Stainless Steel :: 2019-2021 GMC Sierra 1500 4.3L, 5.3L
Our Price: $684.99