Send Us a Message
Send Message
Skip to content
Home
Duramax
Gen-Y Hitch
Opti-Lube
Amsoil
Racing Products
Merch
Important Links
Need help?
sales@underdog-diesel.com
Follow Us
Facebook
Instagram
Back
Duramax
Duramax 2001-2004 LB7
Duramax 2004.5-2005 LLY
Duramax 2006-2007 LBZ
Duramax 2007.5-2010 LMM
Duramax 2011-2014 LML
Duramax 2015-2016 LML
Duramax 2017-2019 L5P
Duramax 2020-2021 L5P
Back
Gen-Y Hitch
Standard Drop Hitches
Torsion Flex Drop Hitches
Back
Racing Products
Battery Chargers
Lithium Batteries
Back
Merch
Shirts
Hoodie
Hats
Gear
Back
Important Links
Important Links & Downloads
Wholesale Account
Back
Duramax 2001-2004 LB7
Intakes
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Back
Duramax 2004.5-2005 LLY
Intakes
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Cooling System
Back
Duramax 2006-2007 LBZ
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Back
Duramax 2007.5-2010 LMM
Modules/Tuners
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Back
Duramax 2011-2014 LML
Modules/Tuners
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Back
Duramax 2015-2016 LML
Modules/Tuners
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Back
Duramax 2017-2019 L5P
Modules/Tuners
Fuel System
Intakes
Cooling System
Exhaust System
Electronics/Monitors
Engine Components
Transmission & Drivetrain
Steering & Suspension Components
Suspension
Towing
Exterior Accessories
Back
Duramax 2020-2021 L5P
Electronics/Monitors
Modules/Tuners
Fuel System
Intakes
Cooling System
Exhaust System
Steering & Suspension Components
Suspension
Exterior Accessories
Interior Accessories
Towing
UnderDog Diesel
Clear
All categories
All categories
Battery Charger
Cooling System
Engine Component
EXHAUST SYSTEMS
Exterior Accessories
Front End Parts
FUEL SYSTEM
Garage Accessories
Gauges/Monitors
Gift Card
Helmets
Intakes
Interior Accessories
Modules
Motor Vehicle Towing
Oil Additives
OPTIONS_HIDDEN_PRODUCT
Shirts
Steering Components
Steering Components 01-10
Steering Components 11-17
Suspension Components
SUSPENSION LIFTS
TOWING
TRANSMISSION
Turbocharger
Close
Currency
USD $
AUD $
CAD $
USD $
Login
0
Cart
Your cart is empty
Shop our products
Home
Duramax
Duramax 2001-2004 LB7
Intakes
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Duramax 2004.5-2005 LLY
Intakes
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Cooling System
Duramax 2006-2007 LBZ
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Duramax 2007.5-2010 LMM
Modules/Tuners
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Duramax 2011-2014 LML
Modules/Tuners
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Duramax 2015-2016 LML
Modules/Tuners
Intakes
Cooling System
Exhaust System
Fuel System
Engine Components
Turbochargers
Electronics/Monitors
Steering & Suspension Components
Suspension
Towing
Transmission & Drivetrain
Exterior Accessories
Duramax 2017-2019 L5P
Modules/Tuners
Fuel System
Intakes
Cooling System
Exhaust System
Electronics/Monitors
Engine Components
Transmission & Drivetrain
Steering & Suspension Components
Suspension
Towing
Exterior Accessories
Duramax 2020-2021 L5P
Electronics/Monitors
Modules/Tuners
Fuel System
Intakes
Cooling System
Exhaust System
Steering & Suspension Components
Suspension
Exterior Accessories
Interior Accessories
Towing
Gen-Y Hitch
Standard Drop Hitches
Torsion Flex Drop Hitches
Opti-Lube
Amsoil
Racing Products
Battery Chargers
Lithium Batteries
Merch
Shirts
Hoodie
Hats
Gear
Important Links
Important Links & Downloads
Wholesale Account
Home
Exhaust System
Exhaust System
39 products
Showing 1 - 22 of 22 products
Showing 1 - 22 of 22 products
Display: 24 per page
Display
24 per page
36 per page
48 per page
Sort by
Sort by: Best selling
Sort by
Featured
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old
View
Flo~Pro Exhaust
Flo~Pro Vented Turn Out Tip for 2015-2021 LML/L5P Duramax
Sale price
$165.00
Only 3 units left
Add to cart
Quick view
WCFAB
2001-2016 Duramax Up-Pipe Bolt Kit
Sale price
From
$35.00
In stock
Choose options
Quick view
MBRP
MBRP Exhaust Tip for 5" Exhaust, 12" Length
Sale price
From
$74.99
Choose options
Quick view
WCFAB
WCFAB 2001-2004 LB7 DURAMAX 2" STAINLESS SINGLE TURBO STYLE PASS SIDE UP PIPE FOR OEM MANIFOLD WITH GASKETS
Sale price
$319.00
Add to cart
Quick view
John C Garage
2011-2016 LML Duramax Downpipe Plugs
Sale price
From
$14.99
Choose options
Quick view
MBRP
MBRP 6" Exhaust Tip for 2015-2021 Duramax 2500/3500
Sale price
From
$129.99
Choose options
Quick view
WCFAB
WCFAB 2011-2016 LML Duramax Downpipe
Sale price
From
$184.00
In stock
Choose options
Quick view
John C Garage
John C Garage LML EGT Relocation Kit
Sale price
$26.99
Add to cart
Quick view
PPE
PPE OEM Length Replacement LB7 Style Passenger Up-Pipe
Sale price
$134.99
Add to cart
Quick view
PPE
PPE 3 Inch Stainless Steel Downpipe 2015.5-2016
Sale price
$161.99
Add to cart
Quick view
PPE
PPE OEM Replacement High Flow Up-Pipes
Sale price
$296.99
Add to cart
Quick view
PPE
PPE 3 Inch Stainless Steel Downpipe 2011-2015
Sale price
$152.99
Add to cart
Quick view
MBRP
MBRP Stainless 3 Inch Downpipe for 2015.5-2016 LML
Sale price
$234.99
Add to cart
Quick view
PPE
PPE Manifolds with Up-Pipes 01-04 LB7 Duramax
Sale price
$899.99
Add to cart
Quick view
MBRP
MBRP Exhaust Tip for 4" Exhaust, 12" Length
Sale price
From
$59.99
Choose options
Quick view
WCFAB
2001-2016 DURAMAX 2" STAINLESS DRIVER SIDE UP PIPE FOR OEM OR WCFAB MANIFOLD WITH GASKETS
Sale price
$319.00
Add to cart
Quick view
PPE
PPE Manifolds with Up-Pipes 01-04 LB7 Duramax (for Compound Turbo)
Sale price
$899.99
Add to cart
Quick view
aFe
aFe Power BladeRunner Ported Exhaust Manifolds 01-16 GM Duramax
Sale price
$639.40
Add to cart
Quick view
Save
$14.53
Mishimoto
Exhaust Heat Wrap Set
Sale price
$61.95
Regular price
$76.48
Add to cart
Quick view
aFe
aFE 5" DPF-Back Exhaust System for 2011-2016 GM 6.6L Duramax
Sale price
From
$392.70
Choose options
Quick view
aFe
aFE 4" Dual DPF-Back Exhaust System for 2011-2016 GM 6.6L Duramax
Sale price
From
$743.60
Choose options
Quick view
MBRP
MBRP S6032AL 4" INSTALLER SERIES FILTER-BACK EXHAUST SYSTEM
Sale price
$329.99
Add to cart
Quick view
Recently viewed
Opens in a new window.