2001-2004 GM 2500HD/3500HD 6.6L LB Duramax Exhaust Upgrades

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MBRP GP290022 5" inch ID Inlet/Outlet 31" in Exhaust Pipe Single Muffler T409 Stainless Steel | Universal
MBRP GP290022 5" inch ID Inlet/Outlet 31" in Exhaust Pipe Single Muffler T409 Stainless Steel | Universal

MBRP Exhaust

MBRP GP290022 5" inch ID Inlet/Outlet 31" in Exhaust Pipe Single Muffler T409 Stainless Steel | Universal

SKU: MBRGP290022
Price
$194.99
MBRP S60210SLM 5 inch Armor Plus Downpipe-Back Single Side Exit Exhaust | 2001-2004 GM 2500/3500 6.6L Duramax
MBRP S60210SLM 5 inch Armor Plus Downpipe-Back Single Side Exit Exhaust | 2001-2004 GM 2500/3500 6.6L Duramax

MBRP Exhaust

MBRP S60210SLM 5 inch Armor Plus Downpipe-Back Single Side Exit Exhaust | 2001-2004 GM 2500/3500 6.6L Duramax

SKU: MBRS60210SLM
Price
$749.99
MBRP T5074BLK 5 inch Inlet 6 inch Outlet Angle Cut Double-Wall Stainless Exhaust Tip - Black | Universal
MBRP T5074BLK 5 inch Inlet 6 inch Outlet Angle Cut Double-Wall Stainless Exhaust Tip - Black | Universal

MBRP Exhaust

MBRP T5074BLK 5 inch Inlet 6 inch Outlet Angle Cut Double-Wall Stainless Exhaust Tip - Black | Universal

SKU: MBRT5074BLK
Price
$149.99
MBRP T5074 5 inch Inlet 6 inch Outlet Angle Cut Double-Wall Stainless Exhaust Tip - Polished | Universal
MBRP T5074 5 inch Inlet 6 inch Outlet Angle Cut Double-Wall Stainless Exhaust Tip - Polished | Universal

MBRP Exhaust

MBRP T5074 5 inch Inlet 6 inch Outlet Angle Cut Double-Wall Stainless Exhaust Tip - Polished | Universal

SKU: MBRT5074
Price
$114.99
MBRP T5050 Stainless Steel Universal Exhuast Tip w/ Single Wall/Rolled Straight Cut (5-Inch Outlet, 4-Inch Inlet) | Universal
MBRP T5050 Stainless Steel Universal Exhuast Tip w/ Single Wall/Rolled Straight Cut (5-Inch Outlet, 4-Inch Inlet) | Universal

MBRP Exhaust

MBRP T5050 Stainless Steel Universal Exhuast Tip w/ Single Wall/Rolled Straight Cut (5-Inch Outlet, 4-Inch Inlet) | Universal

SKU: MBRT5050
Sale price
$84.99
Regular price
$104.99
Wehrli 100363 Billet Exhaust Manifolds | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100363 Billet Exhaust Manifolds | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100363 Billet Exhaust Manifolds | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100363
Price
$1,401.65
BD Diesel 1041460 Exhaust Manifold | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
BD Diesel 1041460 Exhaust Manifold | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

BD Diesel

BD Diesel 1041460 Exhaust Manifold | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: BDD1041460
Price
$199.95
PPE 116120005 Replacement Up-Pipe (Driver Side) for OEM Exhaust Manifold | 2001-2016 GM Sierra/Silverado 6.6L Duramax
PPE 116120005 Replacement Up-Pipe (Driver Side) for OEM Exhaust Manifold | 2001-2016 GM Sierra/Silverado 6.6L Duramax

PPE

PPE 116120005 Replacement Up-Pipe (Driver Side) for OEM Exhaust Manifold | 2001-2016 GM Sierra/Silverado 6.6L Duramax

SKU: PPE116120005
Sale price
$134.99
Regular price
$149.99
MBRP GMS9401 4 inch XP Series Front Exhaust Pipe with Flange | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
MBRP GMS9401 4 inch XP Series Front Exhaust Pipe with Flange | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

MBRP Exhaust

MBRP GMS9401 4 inch XP Series Front Exhaust Pipe with Flange | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: MBRGMS9401
Price
$239.99
Fleece FPE-HSC-4-45 4" Short Hood Stack Cover - Miter Cut | Universal
Fleece FPE-HSC-4-45 4" Short Hood Stack Cover - Miter Cut | Universal

Fleece Performance Products

Fleece FPE-HSC-4-45 4" Short Hood Stack Cover - Miter Cut | Universal

SKU: FLCFPE-HSC-4-45
Price
$40.99
ATS 204-138-4248 Direct Replacement Up-Pipe Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
ATS 204-138-4248 Direct Replacement Up-Pipe Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

ATS Diesel Performance

ATS 204-138-4248 Direct Replacement Up-Pipe Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: ATS204-138-4248
Price
$558.25
MBRP M20681 Muffler 4" inch Inlet /Outlet 24 inch Body 30" inch Overall Aluminized Steel | Universal
MBRP M20681 Muffler 4" inch Inlet /Outlet 24 inch Body 30" inch Overall Aluminized Steel | Universal

MBRP Exhaust

MBRP M20681 Muffler 4" inch Inlet /Outlet 24 inch Body 30" inch Overall Aluminized Steel | Universal

SKU: MBRM20681
Price
$204.99
PPE 116016000 Heat Shield Set for High-Flow Manifolds | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116016000 Heat Shield Set for High-Flow Manifolds | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 116016000 Heat Shield Set for High-Flow Manifolds | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE116016000
Price
$251.99
MBRP S60210P 5 inch Armor Lite Downpipe-Back Single Side Exit Exhaust | 2001-2004 GM 2500/3500 6.6L Duramax
MBRP S60210P 5 inch Armor Lite Downpipe-Back Single Side Exit Exhaust | 2001-2004 GM 2500/3500 6.6L Duramax

MBRP Exhaust

MBRP S60210P 5 inch Armor Lite Downpipe-Back Single Side Exit Exhaust | 2001-2004 GM 2500/3500 6.6L Duramax

SKU: MBRS60210P
Price
$684.99
MBRP T5049 Stainless Steel Universal Exhaust Tip w/ Dual Wall/Straight Cut (5-Inch Outlet, 4-Inch Inlet) | Universal
MBRP T5049 Stainless Steel Universal Exhaust Tip w/ Dual Wall/Straight Cut (5-Inch Outlet, 4-Inch Inlet) | Universal

MBRP Exhaust

MBRP T5049 Stainless Steel Universal Exhaust Tip w/ Dual Wall/Straight Cut (5-Inch Outlet, 4-Inch Inlet) | Universal

SKU: MBRT5049
Price
$104.99
MBRP R2009 4" inch Muffler Exhaust Resonator | Universal
MBRP R2009 4" inch Muffler Exhaust Resonator | Universal

MBRP Exhaust

MBRP R2009 4" inch Muffler Exhaust Resonator | Universal

SKU: MBRR2009
Price
$174.99
MBRP M91031 4" inch Inlet/Outlet T409 Stainless Steel Muffler 30" inch Overall Replacement | Universal
MBRP M91031 4" inch Inlet/Outlet T409 Stainless Steel Muffler 30" inch Overall Replacement | Universal

MBRP Exhaust

MBRP M91031 4" inch Inlet/Outlet T409 Stainless Steel Muffler 30" inch Overall Replacement | Universal

SKU: MBRM91031
Price
$239.99
MagnaFlow 15398 3 inch Turbo Down-Pipe | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
MagnaFlow 15398 3 inch Turbo Down-Pipe | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

Magnaflow Exhaust Products

MagnaFlow 15398 3 inch Turbo Down-Pipe | 2001-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: MFL15398
Sale price
$212
Regular price
$322.99
MagnaFlow 15399 Diesel Turbo Downpipe | 2001-2004 Sierra 2500HD/3500HD
MagnaFlow 15399 Diesel Turbo Downpipe | 2001-2004 Sierra 2500HD/3500HD

Magnaflow Exhaust Products

MagnaFlow 15399 Diesel Turbo Downpipe | 2001-2004 Sierra 2500HD/3500HD

SKU: MFL15399
Price
$199
PPE 116120910 OEM Replacement Up-Pipe for CA Emission Trucks Only | 2002-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7
PPE 116120910 OEM Replacement Up-Pipe for CA Emission Trucks Only | 2002-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

PPE

PPE 116120910 OEM Replacement Up-Pipe for CA Emission Trucks Only | 2002-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LB7

SKU: PPE116120910
Price
$359.99
Sinister SD-4-5-BLK Black Ceramic Coated Stainless Steel Exhaust Tip 4" Inlet x 5 Round x 12 Long | Universal
Sinister SD-4-5-BLK Black Ceramic Coated Stainless Steel Exhaust Tip 4" Inlet x 5 Round x 12 Long | Universal

Sinister Diesel

Sinister SD-4-5-BLK Black Ceramic Coated Stainless Steel Exhaust Tip 4" Inlet x 5 Round x 12 Long | Universal

SKU: SINSD45BLK
Sale price
$87.99
Regular price
$90.99
MBRP MDS9531 XP Series T409 Stainless Steel Muffler Bypass 5" inch Inlet/Outlet 31 inch | Universal
MBRP MDS9531 XP Series T409 Stainless Steel Muffler Bypass 5" inch Inlet/Outlet 31 inch | Universal

MBRP Exhaust

MBRP MDS9531 XP Series T409 Stainless Steel Muffler Bypass 5" inch Inlet/Outlet 31 inch | Universal

SKU: MBRMDS9531
Price
$164.99
MBRP M1004A 4" inch Installer Series Quiet Tone Aluminized Muffler 4" inch Inlet/4 inch Outlet | Universal
MBRP M1004A 4" inch Installer Series Quiet Tone Aluminized Muffler 4" inch Inlet/4 inch Outlet | Universal

MBRP Exhaust

MBRP M1004A 4" inch Installer Series Quiet Tone Aluminized Muffler 4" inch Inlet/4 inch Outlet | Universal

SKU: MBRM1004A
Price
$244.99
PPE 116120204 High Flow Up-Pipes | 2002-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 116120204 High Flow Up-Pipes | 2002-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 116120204 High Flow Up-Pipes | 2002-2004 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE116120204
Price
$449.99

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DIESEL TRUCK EXPERTS STANDING BY

Our 2001-2004 GM 6.6L Duramax LML exhaust systems are the perfect way to add both an aggressive exhaust note and a performance boost to your GM 2500HD/3500HD. Our selection of top-tier street-legal and off-road exhaust kits are far more efficient than your restrictive factory exhaust, delivering noticeable gains in horsepower and torque without the need for additional tuning. These premium kits provide an instant performance upgrade with no compromises. Beyond the power gains, they deliver an aggressive exhaust tone that’s sure to impress. We offer everything from single-exit and dual-exit kits to up-pipes, downpipes, and universal exhaust tips, allowing you to customize your entire system for the look and performance you desire! Pair your new exhaust system with our selection of Turbo Upgrades! GM Duramax Fitments: 2001, 2002, 2003, 2004 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2001-2004 6.6L LB7

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