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You are here: Home > by Vehicle > 01-04 GM 6.6L Duramax LB7 > Exhaust Systems > Exhaust Parts

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Exhaust Parts for your 01-04 GM 6.6L Duramax LB7

Shop Exhaust Parts for your 01-04 GM 6.6L Duramax LB7 at Unbeatable Prices - Fast & Free Shipping - Expert Service on Exhaust Parts - Buy from OC DIESEL Today!

Welcome to the leading Diesel Exhaust Parts Components distributor. OC DIESEL is the number one source for providing diesel performance parts at low prices. Buy now and receive excellent customer service and fast shipping on your Diesel Exhaust System Components purchase. Also, have peace of mind that you're getting the lowest possible price, with our Price beat Guarantee + $10 . . . good for 30 days after your purchase!

OC DIESEL offers a wide selection of Diesel Exhaust Parts & Components for most diesel truck, motorhome, and RV owners. Experience the benefits of increased horsepower and towing performance with our Diesel Exhaust Parts selection. Whether your diesel is used for recreation, heavy towing, daily driving, drag racing, sled pulling, or mud bogging the addition of our parts can help improve overall performance.

Use our easy online check out and purchase your Diesel Exhaust Parts now or call us at (714) 848-2170 for more information.

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Silverline Saddle Clamp 3.5" - AS 312C Silverline Saddle Clamp 4" - AS 4C Silverline Front Downpipe BY-PASS Kit 4" T304 SS - AS CS100FP Silverline Turbo Back Pipe Kit 4" T409 SS - AS CS101409PK

Dodge | GM | Ford

Dodge | GM | Ford

01-05 6.6L GM Duramax

01-07 6.6L GM Duramax
Off-Road Use Only
Silverline 3.5" to 4" T409 SS Exhaust Adapter Kit - AS DCK1 Silverline 4" to 4" T409 SS Exhaust Adapter Kit - AS DCK2 Silverline 4" to 4" T409 SS Single Exhaust Adapter - AS DCK3 Silverline 3.5" to 4" T409 Single Exhaust Adapter - AS DCK4

Dodge | GM | Ford
4"OD x 3.5"ID x 6"Length

Dodge | GM | Ford
4"OD x 4"ID x 6"Length

Dodge | GM | Ford
(4"OD x 4"ID x 6"Length)

Dodge | GM | Ford
(4"OD x 3.5"ID x 6"Length)
Silverline 4" Muffler Delete Pipe T409 Dual Outlet - AS DMPDM Silverline 4" Muffler Delete Pipe T409 SS Single - AS DMPSS Silverline 4" T409 Polished SS Exhaust Pipe - AS SP48 Silverline 4" T304 Stainless Steel Muffler - AS UDM1

94-07 5.9L Dodge Cummins
94-07 6.6L GM Duramax
4" OD x 30" Long

Ford & GM
4" OD x 30" Long

Dodge | GM | Ford
4" OD x 4" ID x 48" Long

Dodge | GM | Ford
4" OD x 4" ID x 30" Long
Silverline 4" T304 Stainless Steel Muffler - AS UDM1409 aFe Power 49-91002 MACH Force-Xp 4" Muffler 409 Stainless Steel for 4" Exhaust Systems aFe Power 49-91004 ATLAS 4" Muffler Delete Pipe 409 Stainless Steel for 4" Exhaust Systems aFe Power 49-91012 MACH Force-Xp 4" Muffler 409 Stainless Steel for 5" Exhaust Systems

Dodge | GM | Ford
4" OD x 4" ID x 30" Long
Key Features:
  • 4" Inlet and Outlet
  • 30" Overall Length
  • 8" Body Diameter

4" Exhaust Systems
Key Features:
  • 4" Inlet and Outlet
  • 30" Overall Length
  • Fits Most 4" Exhaust Systems

4" Exhaust Systems
Key Features:
  • 5" Inlet and Outlet
  • 30" Overall Length
  • 8" Body Diameter

5" Exhaust Systems
MBRP GM8425 3" Black Coated Aluminized Turbo Down Pipe for 2001-2004 GM 6.6L Duramax LB7 MBRP GMAL401 4" Aluminized Front-Pipe with Flange for 2001-2005 GM 6.6L Duramax LB7, LLY MBRP GMS9401 4" Stainless T409 Front-Pipe w/Flange for 2001-2005 GM 6.6L Duramax LB7, LLY MBRP M1004 4" Stainless T304 Quiet Tone Muffler
Key Features:
  • Performance Improvement

2001-2004 GM 6.6L Duramax LB7
Key Features:
  • Performance Improvement

2001-2005 GM 6.6L Duramax LB7, LLY
Key Features:
  • Performance Improvement

2001-2005 GM 6.6L Duramax LB7, LLY
Key Features:
  • 4" Inlet/Outlet
  • 30" Overall Length
  • 24" Muffler Body/ 6" Body Diameter
MBRP M1004A 4" Aluminized Quiet Tone Muffler MBRP M1004S 4" Stainless T409 Quiet Tone Muffler MBRP M1031 4" Stainless T304 Muffler MBRP M2029BLK 4" Black Coated Aluminized Muffler
Key Features:
  • 4" Inlet/Outlet
  • 30" Overall Length
  • 24" Muffler Body/ 6" Body Diameter
Key Features:
  • 4" Inlet/Outlet
  • 30" Overall Length
  • 24" Muffler Body/ 6" Body Diameter
Key Features:
  • 4" Inlet/Outlet
  • 30" Overall Length
  • 24" Muffler Body/ 6" Body Diameter
Key Features:
  • 4" Inlet/Outlet
  • 30" Overall Length
  • 24" Muffler Body/ 6" Body Diameter
MBRP M2050 5" Aluminized Muffler MBRP M2050BLK 5" Black Coated Aluminized Muffler MBRP M91031 4" Stainless T409 Muffler MBRP MDA30 4" Aluminized Muffler Delete Pipe
Key Features:
  • 5" Inlet/Outlet
  • 31" Overall Length
  • 24" Muffler Body/ 6" Body Diameter
Key Features:
  • 5" Inlet/Outlet
  • 31" Overall Length
  • 24" Muffler Body/ 6" Body Diameter
Key Features:
  • 4" Inlet/Outlet
  • 30" Overall Length
  • 24" Muffler Body/ 6" Body Diameter
Key Features:
  • 4" Inlet/Outlet
  • 30" Overall Length
MBRP MDA531 5" Aluminized Muffler Delete Pipe MBRP MDDAL27 4" Aluminized Dual Muffler Delete Pipe MBRP MDDS927 4" Stainless T409 Dual Muffler Delete Pipe MBRP MDS30 4" Stainless T304 Dual Muffler Delete Pipe
Key Features:
  • 5" Inlet/Outlet
  • 31" Overall Length
Key Features:
  • 4" Inlet/Outlet
  • 27.5" Overall Length
Key Features:
  • 4" Inlet/Outlet
  • 27.5" Overall Length
Key Features:
  • 4" Inlet/Outlet
  • 30" Overall Length
MBRP MDS36 4" Stainless T304 Dual Muffler Delete Pipe MBRP MDS930 4" Stainless T409 Muffler Delete Pipe MBRP MDS9531 5" Stainless T409 Muffler Delete Pipe MBRP R1009 4" Stainless T304 Resonator
Key Features:
  • 4" Inlet/Outlet
  • 36" Overall Length
Key Features:
  • 4" Inlet/Outlet
  • 30" Overall Length
Key Features:
  • 5" Inlet/Outlet
  • 31" Overall Length
Key Features:
  • 4" Inlet/Outlet
  • 18" Overall Length
  • 12" Muffler Body/ 6" Body Diameter
MBRP R2009 4" Aluminized Resonator MBRP UA1007 Stainless T409 Exhaust Pipe Adapter, 3.5 to 4 Inch MBRP UA2001 Aluminized Exhaust Pipe Adapter, 4 to 5 Inch MBRP UA2003 Aluminized Exhaust Pipe Adapter, 3.5 to 5 Inch
Key Features:
  • 4" Inlet/Outlet
  • 18" Overall Length
  • 12" Muffler Body/ 6" Body Diameter
Key Features:
  • 3.5" Inlet to 4" Outlet
Key Features:
  • 4" Inlet to 5" Outlet
Key Features:
  • 3.5" Inlet to 5" Outlet
MBRP UA2004 Aluminized Exhaust Pipe Adapter, 4 to 5 Inch MBRP UA2005 Aluminized Exhaust Pipe Adapter, 3.5 to 5 Inch MBRP UA2007 Aluminized Exhaust Pipe Adapter, 3.5 to 4 Inch MBRP GP015 30" Aluminized High Flow Muffler
Key Features:
  • 4" Inlet to 5" Outlet
Key Features:
  • 3.5" Inlet to 5" Outlet
Key Features:
  • 3.5" Inlet to 4" Outlet
Key Features:
  • 4" Inlet/Outlet
  • 30" Overall Length
  • 24" Muffler Body/ 6" Body Diameter
MBRP GP016 4" Aluminized Muffler Delete Pipe MBRP R1011 2.25" Stainless T304 Resonator MBRP R1012 2.5" Stainless T304 Resonator MBRP R1013 3" Stainless T304 Resonator
Key Features:
  • 4" Inlet/Outlet
  • 30" Overall Length
Key Features:
  • 2.25" Inlet/Outlet
  • 20" Overall Length
  • 16" Muffler Body/ 4" Body Diameter
Key Features:
  • 2.5" Inlet/Outlet
  • 20" Overall Length
  • 16" Muffler Body/ 4" Body Diameter
Key Features:
  • 3" Inlet/Outlet
  • 20" Overall Length
  • 16" Muffler Body/ 4" Body Diameter
MBRP R1015 2.25" Stainless T304 Resonator MBRP R1016 2.5" Stainless T304 Resonator MBRP R1017 3" Stainless T304 Resonator MBRP UA9001 Stainless T409 Exhaust Pipe Adapter, 4 to 5 Inch
Key Features:
  • 2.25" Inlet/Outlet
  • 26" Overall Length
  • 22" Muffler Body/ 4" Body Diameter
Key Features:
  • 2.5" Inlet/Outlet
  • 26" Overall Length
  • 22" Muffler Body/ 4" Body Diameter
Key Features:
  • 3" Inlet/Outlet
  • 26" Overall Length
  • 22" Muffler Body/ 4" Body Diameter
Key Features:
  • 4" Inlet to 5" Outlet
  • 7" Length
MBRP UA9003 Stainless T409 Exhaust Pipe Adapter, 3.5 to 5 Inch MBRP UA9004 Stainless T409 Exhaust Pipe Adapter, 4 to 5 Inch MBRP UA9005 Stainless T409 Exhaust Pipe Adapter, 3.5 to 5 Inch Diamond Eye 321001 4" Aluminized Downpipe for 2001-2007 GM 6.6L Duramax LB7, LLY, LBZ
Key Features:
  • 3.5" Inlet to 5" Outlet
Key Features:
  • 4" Inlet to 5" Outlet
  • 7" Length
Key Features:
  • 3.5" Inlet to 5" Outlet
  • 7" Length
Key Features:
  • Performance Improvement

2001-2007 GM 6.6L Duramax LB7, LLY, LBZ
Diamond Eye 321040 4" Aluminized Quiet Tone Downpipe for 2001-2007 GM 6.6L Duramax LB7, LLY, LBZ Diamond Eye 321045 4" Aluminized 4 Bolt Adapter Plate for 2001-2007 GM 6.6L Duramax LB7, LLY, LBZ Diamond Eye 321055 3" Aluminized Turbo Direct Pipe for 2001-2004 GM 6.6L Duramax LB7 Diamond Eye 361001 4" 409 Stainless Steel Downpipe for 2001-2007 GM 6.6L Duramax LB7, LLY, LBZ
Key Features:
  • Includes Built-In Quiet Tone Resonator

2001-2007 GM 6.6L Duramax LB7, LLY, LBZ
Key Features:
  • Adapts Exhaust for a 4 Bolt Connection

2001-2007 GM 6.6L Duramax LB7, LLY, LBZ
Key Features:
  • C.A.R.B Number D-778

2001-2004 GM 6.6L Duramax LB7
Key Features:
  • Performance Improvement

2001-2007 GM 6.6L Duramax LB7, LLY, LBZ
Diamond Eye 361045 4" 409 Stainless Steel 4 Bolt Adapter Plate for 2001-2007 GM 6.6L Duramax LB7, LLY, LBZ Diamond Eye 4001 High Temp Gasket for 4 Bolt Adapter for 2001-2007 GM 6.6L Duramax LB7, LLY, LBZ MagnaFlow 12770 7" Round Body Muffler MagnaFlow 12771 7" Round Body Muffler
Key Features:
  • Adapts Exhaust for a 4 Bolt Connection

2001-2007 GM 6.6L Duramax LB7, LLY, LBZ
Key Features:
  • For Use with Part Number 321045 or 361045

2001-2007 GM 6.6L Duramax LB7, LLY, LBZ
Key Features:
  • 4" Inlet/Outlet
  • 20" Overall Length
  • 14" Muffler Body/7" Body Diameter
  • Satin Finish
Key Features:
  • 4" Inlet/Outlet
  • 27" Overall Length
  • 20" Muffler Body/7" Body Diameter
  • Satin Finish
MagnaFlow 12772 7" Round Body Muffler MagnaFlow 12773 7" Round Body Muffler MagnaFlow 12774 7" Round Body Muffler MagnaFlow 14771 7" Round Body Muffler
Key Features:
  • 4" Inlet/Outlet
  • 30" Overall Length
  • 24" Muffler Body/7" Body Diameter
  • Satin Finish
Key Features:
  • 4" Inlet/Outlet
  • 36" Overall Length
  • 30" Muffler Body/7" Body Diameter
  • Satin Finish
Key Features:
  • 5" Inlet/Outlet
  • 30" Overall Length
  • 24" Muffler Body/7" Body Diameter
  • Satin Finish
Key Features:
  • 4" Inlet/Outlet
  • 27" Overall Length
  • 20" Muffler Body/7" Body Diameter
  • Polished Finish
MagnaFlow 14772 7" Round Body Muffler MagnaFlow 14773 7" Round Body Muffler MagnaFlow 14774 7" Round Body Muffler MagnaFlow 16999 3.5" Direct Fit Muffler Replacement for 2001-2007 GM 6.6L Duramax LB7, LLY, LBZ
Key Features:
  • 4" Inlet/Outlet
  • 30" Overall Length
  • 24" Muffler Body/7" Body Diameter
  • Polished Finish
Key Features:
  • 4" Inlet/Outlet
  • 36" Overall Length
  • 30" Muffler Body/7" Body Diameter
  • Polished Finish
Key Features:
  • 5" Inlet/Outlet
  • 30" Overall Length
  • 24" Muffler Body/7" Body Diameter
  • Polished Finish
Key Features:
  • 3.5" Inlet/Outlet
  • 7" Round Body Muffler
  • 5" Single Wall Tip16999

2001-2007 GM 6.6L Duramax LB7, LLY, LBZ
MBRP GMCA425 3" Black Coated Aluminized Turbo Down Pipe for 2001-2004 GM 6.6L Duramax LB7 MBRP M2220A 5" Aluminized Quiet Tone Muffler MBRP M2220S 5" Stainless T409 Quiet Tone Muffler MagnaFlow 15398 4" Turbo Outlet Downpipe for 2001-2004.5 GM 6.6L Duramax LB7
Key Features:
  • CARB EO#: D-763

2001-2004 GM 6.6L Duramax LB7
Key Features:
  • 5" Inlet/Outlet
  • 31" Overall Length
  • 25" Muffler Body/ 8" Body Diameter
Key Features:
  • 5" Inlet/Outlet
  • 31" Overall Length
  • 25" Muffler Body/ 8" Body Diameter
Key Features:
  • Fits LB7 Duramax

2001-2004.5 GM 6.6L Duramax LB7
MagnaFlow 15451 4" Extention Pipe for 1998-2007 Dodge 5.9L Cummins, 1999-2007 Ford 7.3L, 6.0L Powerstroke, 2001-2007 GM 6.6L Duramax LB7, LLY, LBZ MagnaFlow 15462 4" Two Piece Downpipe for 2001-2005 GM 6.6L Duramax LB7, LLY MagnaFlow 15463 4" Two Piece Tailpipe for 2001-2007 GM 6.6L Duramax LB7, LLY, LBZ MagnaFlow 16409 4" Pipe Adaptor Kit
Key Features:
  • 34" Length
  • Cut to Fit Pipe
  • Hardware and Hangers Not Included

1998-2007 Dodge 5.9L Cummins
1999-2007 Ford 7.3L, 6.0L Powerstroke
2001-2007 GM 6.6L Duramax LB7, LLY, LBZ
Key Features:
  • Hardware and Hangers Not Included

2001-2005 GM 6.6L Duramax LB7, LLY
Key Features:
  • Fits Single Passenger Side Rear Exit Systems
  • Hardware and Hangers Not Included

2001-2007 GM 6.6L Duramax LB7, LLY, LBZ
Key Features:
  • 3.5" to 4" Adapters
  • Includes Necessary Clamps
   
 
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