2025 GMC Sierra 2500 HD Exhaust Upgrade Parts
26 parts verified to fit your 2025 GMC Sierra 2500 HD for a complete exhaust upgrade. A moderate DIY project — estimated 2-5 hours.
Cat-Back Exhaust
(15)primary
Borla
Borla 20-22 Chevrolet/GMC Silverado/Sierra 6.6L T-304 SS Cat-Back S-Type Exhaust - Brushed
$1324.99
aFe
aFe Apollo GT Series 4in 409SS Cat-Back 20-21 GM 2500/3500HD V8-6.6L L8T - Black Tip
$820.00
aFe
aFe Apollo GT Series 3in 409SS Cat-Back Exhaust w/ Polished Tip 2020 GM 2500/3500HD V8 6.6L L8T
$704.00

Magnaflow
MagnaFlow 2024+ Chevy Silverado 2500HD/3500HD Black Series Filter-Back Performance Exhaust
$1252.88

Gibson
Gibson 20-21 Chevy Silverado 6.6L 2.5in Cat-Back Dual Split Exhaust System Stainless - Black Elite
$830.82

Gibson
Gibson 20-22 Silverado/GMC Sierra 2500 HD 6.6L Crew Cab (Long Bed) Cat-Back Dual Extreme Exhaust
$777.66

Gibson
Gibson 20-21 Chevy Silverado 2500HD 6.6L 2.5in Cat-Back Dual Extreme Exhaust - Black Elite
$845.35

Borla
Borla 20-22 Chevrolet/GMC Silverado/Sierra 6.6L T-304 SS Cat-Back S-Type Exhaust - Brushed
$1347.99
Headers
(3)primaryMufflers
(8)primary
Wehrli
Wehrli 2017-2024 Chevrolet 6.6L L5P Duramax Intake Resonator Delete Plug - Black Anodized
$32.77

Wehrli
Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe
$353.28
aFe
aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Black Tip 20 GM Diesel Trucks V8-6.6L (td) L5P
$808.00
aFe
aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Polished Tips 20 GM Diesel Trucks V8-6.6L
$734.00
aFe
aFe Large Bore-HD 5in 409SS DPF-Back Exhaust System w/Pol Tip 24-25 GM Diesel Trucks V8-6.6L(td) L5P
$533.00
aFe
aFe Large Bore-HD 5in 409SS DPF-Back Exhaust System w/Blk Tip 24-25 GM Diesel Trucks V8-6.6L(td) L5P
$568.00

Wehrli
Wehrli 17-24 Chevrolet 6.6L L5P Duramax 2in Stainless Up Pipe Kit w/Gaskets
$721.92


Borla
Borla 20-22 Chevrolet/GMC Silverado/Sierra 6.6L T-304 Stainless Steel Extension Pipe - Brushed
$149.99
Exhaust Upgrade for Other GMC Sierra 2500 HD Years
Other Jobs for Your 2025 GMC Sierra 2500 HD
Frequently Asked Questions
What parts do I need for a exhaust upgrade on my 2025 GMC Sierra 2500 HD?
A complete exhaust upgrade on the 2025 GMC Sierra 2500 HD 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 2025 GMC Sierra 2500 HD?
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 2025 GMC Sierra 2500 HD?
Yes, all parts on this page are verified to fit the 2025 GMC Sierra 2500 HD 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 2025 GMC Sierra 2500 HD?
We carry exhaust upgrade parts from trusted brands including Borla, aFe, Magnaflow, Gibson, and Wehrli. Filter by brand to find your preferred manufacturer.
How much does a exhaust upgrade cost for a 2025 GMC Sierra 2500 HD?
The cost of a exhaust upgrade for the 2025 GMC Sierra 2500 HD 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.
