2021 GMC Yukon XL Exhaust Upgrade Parts
37 parts verified to fit your 2021 GMC Yukon XL for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Cat-Back Exhaust
(17)primary
Gibson
Gibson 21-22 GMC Yukon XL 1500/ Suburban 1500 5.3L 2/4wd Cat-Back Dual Extreme Exhaust
$738.70
Gibson
Gibson 21-22 GMC Yukon XL 1500/ Suburban 1500 5.3L 2/4wd Cat-Back Dual Split Exhaust
$738.70
Gibson
Gibson 21-22 GMC Yukon XL 1500/ Suburban 1500 5.3L 2/4wd Cat-Back Dual Sport Exhaust
$701.76
Gibson
Gibson 21-22 Chevy Suburban 5.3L 2.5in Cat-Back Dual Split Exhaust System Stainless - Black Elite
$807.13
Gibson
Gibson 21-22 Chevy Suburban 5.3L 3in Cat-Back Dual Sport Exhaust System Stainless - Black Elite
$807.13
Gibson
Gibson 21-22 GMC Yukon XL 1500/Chevrolet Suburban 1500 5.3L Cat-Back Single Exhaust - Stainless
$679.24
CORSA Performance
Corsa 21-25 Chevrolet Suburban/GMC Yukon XL 5.3L 4WD Dual Rear 3in - 2.75in CatBack DW 4in Pol Tips
$1597.44
CORSA Performance
Corsa 2021-2025 Suburban / Yukon XL 6.2L 4WD Dual Rear 3in to 2.75in Sport Cat-Back DW 4in BLK Tips
$1754.11
Headers
(12)primary
aFe
aFe Twisted Steel 1-3/4in 304SS Shorty Headers 2019 GM Silverado / Sierra 1500 V8-5.3L/6.2L
$1223.85
Kooks Headers
Kooks 19-22 Chevrolet Silverado 1500 6.2L 1-7/8 x 3 Header & Catted Y-Pipe Kit
$4057.16
JBA
JBA 19-20 GM Truck 5.3/6.2L DFI 1-3/4in Primary Raw 409 Cat4Ward Header
$709.39
JBA
JBA 19-20 GM Truck 5.3/6.2L DFI 1-3/4in Primary Raw 409 Cat4Ward Header
$912.51
JBA
JBA 99-01 GM Truck 4.8L/5.3L LS w/o A.I.R. w/EGR 1-5/8in Primary Silver Ctd Cat4Ward Header
$912.51
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
Victor Reinz
MAHLE Original 14-15 GM 5.3L Vin C Exhaust Manifold Set
$26.56
Mufflers
(8)primary
Magnaflow
Magnaflow 19-20 GMC Sierra 1500 Single Underbody 4.3L/5.3L Direct Fit Catalytic Converter
$973.00
Fel-Pro
Fel-Pro 14-21 Chevrolet Silverado 1500/18-22 Suburban/18-22 Tahoe Exhaust Pipe Flange Gasket
$5.99
Magnaflow
Magnaflow 2.50in. Uni. Ford 8617 Mid-Bed Series Direct Fit Converter
$314.00
Fel-Pro
Fel-Pro 14-21 Chevrolet Silverado 1500/17-22 Cadillac Escalade Exhaust Pipe Flange Gasket
$7.51
Kooks Headers
Kooks 2019+ GM 1500 Series Truck 6.2L 3in x OEM Outlet GREEN Cat SS Y Pipe Kooks HDR Req
$3034.78
Kooks Headers
Kooks 2019+ GM 1500 Series Truck 6.2L 3in x OEM Outlet Catted SS Y Pipe Kooks HDR Req
$2458.78
Kooks Headers
Kooks 2019+ GM 1500 Series Truck 5.3L 3in x OEM Outlet Catted SS Y Pipe Kooks HDR Req
$2429.58
Kooks Headers
Kooks 2019 GM Series Truck 6.2L 1.75in x 3in SS Headers & 3in x 3.5in ULTRA GREEN SS Catted Y-Pipe
$4604.20
Exhaust Upgrade for Other GMC Yukon XL Years
Other Jobs for Your 2021 GMC Yukon XL
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2021 GMC Yukon XL?
A complete exhaust upgrade on the 2021 GMC Yukon XL typically requires cat-back exhaust, headers, mufflers. All parts shown on this page are verified to fit your specific vehicle.
How long does a exhaust upgrade take on a 2021 GMC Yukon XL?
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 Yukon XL?
Yes, all parts on this page are verified to fit the 2021 GMC Yukon XL using VCDB fitment data from manufacturers. Our fitment information is cross-referenced with industry-standard vehicle databases to ensure accuracy.
What brands make exhaust upgrade parts for the 2021 GMC Yukon XL?
We carry exhaust upgrade parts from trusted brands including Gibson, CORSA Performance, Magnaflow, aFe, and Kooks Headers. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2021 GMC Yukon XL?
The cost of a exhaust upgrade for the 2021 GMC Yukon XL 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.