2018 GMC Sierra 1500 Exhaust Upgrade Parts
204 parts verified to fit your 2018 GMC Sierra 1500 for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Cat-Back Exhaust
(165)primary
Gibson
Gibson 14-18 GMC Sierra 1500 Denali 5.3L 3.5in Cat-Back Single Exhaust - Black Elite
$793.19
aFe
aFe Rebel Series CB 3in Middle Side Exit SS Exht w/ Black Tips 09-16 Chevy Silverado/GMC Sierra 1500
$1153.00
Stainless Works
Stainless Works Chevy Silverado/GMC Sierra 2007-16 5.3L/6.2L Exhaust Y-Pipe Passenger Rear Tire Exit
$1915.20
Magnaflow
MagnaFlow 14 Chev Silverado V8 5.3L CC/EC Cab Turn Down in Front of Rr Tire SS Catback Perf Exhaust
$821.66
CORSA Performance
Corsa 2014-19 Sierra/Silverado 1500 Crew/Dbl / Short/Std. Bed 6.2L V8 Black Sport Single SideCB Exht
$2126.85
Magnaflow
Magnaflow 14 Chev Silverado V8 5.3L CC/EC Cab Dual Split Behind Rear Tires Exit SS Cat Back Perf Exh
$1416.20
CORSA Performance
Corsa 2014-19 Chevy Silverado Cred Cab/Standard Bed 1500 5.3L V8 Polished Sport Single Side Exhaust
$951.30
Gibson
Gibson 14-18 Chevrolet Silverado 1500 LT 5.3L 3in/2.25in Cat-Back Dual Extreme Exhaust - Stainless
$755.42
Headers
(18)primary
JBA
JBA 14-19 GM Truck 5.3L/6.2L DFI 1-5/8in Primary Silver Ctd Cat4Ward Header
$864.74
JBA
JBA 14-20 GM Truck 4.3L V6 1-5/8in Primary Ti Ctd Cat4Ward Header
$663.90
Kooks Headers
Kooks GM Gen V Stainless Header Bolt Kit Qty 10 - M8 - 1.25 x 25mm Bolts
$54.58
JBA
JBA 14-20 GM Truck 4.3L V6 1-5/8in Primary Silver Ctd Cat4Ward Header
$764.30
BBK
BBK 14-18 GM Truck 5.3/6.2 1 3/4in Shorty Tuned Length Headers - Polished Silver Ceramic
$629.75
Fel-Pro
Fel-Pro Chevrolet Silverado 1500 MS 97531 Exhaust Manifold Gasket Set
$23.71
Victor Reinz
MAHLE Original 14-15 GM 5.3L Vin C Exhaust Manifold Set
$26.56
JBA
JBA 14-20 GM Truck 4.3L V6 1-5/8in Primary Raw 409SS Cat4Ward Header
$594.04
Mufflers
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Cometic Gasket
Cometic Corvette C7 Gen 5 SBC 6.2L LT1 .021in MLS Exhaust Gasket (1.920in)
$55.90
Magnaflow
MagnaFlow Conv Univ 2.5in Inlet/Outlet Center/Center Round 3in Body L x 5in W x 8.75in Overall L
$281.00
Magnaflow
MagnaFlow Conv Direct Fit 14-16 GMC Sierra 1500 V6 4.3L
$930.00
Kooks Headers
Kooks 14+ GM 1500 Series Truck 5.3L 3in x OEM Out GREEN Cat SS Y Pipe Kooks HDR Req
$2362.39
CORSA Performance
Corsa 1999-2006 Universal Stainless Steel Twin 4.0in Black PVD Pro-Series Tip
$369.66
Magnaflow
MagnaFlow Converter Direct Fit 2015 GMC Yukon XL V8 6.2L
$1642.00
Magnaflow
MagnaFlow Conv Universal 5.0 C/C 3.0 Spun OEM
$281.00
CORSA Performance
Corsa 2009-2013 Inlet 4in Pro Series Twin Side Swept Exhaust Tip Kit
$328.70
Exhaust Upgrade for Other GMC Sierra 1500 Years
Other Jobs for Your 2018 GMC Sierra 1500
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2018 GMC Sierra 1500?
A complete exhaust upgrade on the 2018 GMC Sierra 1500 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 2018 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 2018 GMC Sierra 1500?
Yes, all parts on this page are verified to fit the 2018 GMC Sierra 1500 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 2018 GMC Sierra 1500?
We carry exhaust upgrade parts from trusted brands including Gibson, aFe, Stainless Works, Magnaflow, and CORSA Performance. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2018 GMC Sierra 1500?
The cost of a exhaust upgrade for the 2018 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.