-80x80.jpg)
Performance exhaust systems by MBRP, Magnaflow, Diamond Eye, & more for the 2001-2004 GM 6.6L LB7 Duramax Diesel trucks.
Brand: MBRP
Part Number: S6005P
Cruise the highway or hit the track with an MBRP Street Profile exhaust. It’s the perfect mix of aggressive sound when you’re into the throttle without being obnoxious on long drives.
· Year: 2001-2004
·..
$514.99
Brand: MBRP
Part Number: S6005PLM
Cruise the highway or hit the track with an MBRP Street Profile exhaust. It’s the perfect mix of aggressive sound when you’re into the throttle without being obnoxious on long drives.
· Year: 2001-2004
·&nbs..
$459.99
Brand: MBRP
Part Number: S6005SLM
Cruise
the highway or hit the track with an MBRP Street Profile exhaust. It’s the
perfect mix of aggressive sound when you’re into the throttle without being
obnoxious on long drives.
·
Year: 2001-2004
· &nbs..
$629.99
Brand: MBRP
Part Number: S60210P
Unleash your vehicle's most aggressive sound with an MBRP Race Profile exhaust. Hear the biggest gains and turn heads every time you hit the gas. Your vehicle will sound like it belongs on a race track.
·
Year: 2001-2004
· ..
$684.99
Brand: MBRP
Part Number: S60210PLM
Unleash your vehicle's most aggressive sound with an MBRP Race Profile exhaust. Hear the biggest gains and turn heads every time you hit the gas. Your vehicle will sound like it belongs on a race track.
· Year: 2001-2004
·..
$619.99
Brand: MBRP
Part Number: S60210SLM
Unleash your vehicle's most aggressive sound with an MBRP Race Profile exhaust. Hear the biggest gains and turn heads every time you hit the gas. Your vehicle will sound like it belongs on a race track.
·
Year: 2001-2004
· ..
$749.99
Brand: Banks Power
Part Number: 486xx
Physical fitment.
Why consider a cheap, ill-fitting aluminized exhaust? Banks 4” Monster Exhaust is made of rugged, long-lasting 100% stainless steel. It fits better than the competition, because Monster Exhaust utilizes the factory hangers and maintains proper clearance to all under-vehicle compon..
$540.00
Brand: Diamond Eye
Part Number: K4110A
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive Sound
*Better Throttle Response
*Easy Bolt-On Kits
*Utilizes OEM Hangers
*1-Year Limited Warranty on Aluminized kits
*6-Year Limited Warranty on St..
$405.23
Brand: Diamond Eye
Part Number: K4110A-RP
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive Sound
*Better Throttle Response
*Easy Bolt-On Kits
*Utilizes OEM Hangers
*1-Year Limited Wa..
$347.57
Backordered
Brand: Diamond Eye
Part Number: K4110S
Backordered with No ETA (Updated on 6/3/2025)
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Aggressive Sound
*Better Throttle Response
*Easy Bolt-On Kits
*Utilizes OEM Hangers
*1-Year Limited Wa..
$478.75
Brand: Diamond Eye
Part Number: K4110S-RP
**This Kit Does Not Include Muffler**
Features:
*Increased Fuel Economy
*Lower EGTs
*Mandrel Bent Tubing for Maximum Flow
*Direct Fit
*Increased Horsepower and Torque
*Agressive Sound
*Better Throttle Response
*Easy Bolt-On Kits
*Utilizes OEM Hangers
*1-Year Limited Wa..
$419.19
Brand: FloPro
Part Number: 823
Fits, GM Duramax Diesel 2001-2005 6.6L 2500/3500. For, Extended Cab, Long/Short box, Dually. Exclude Suburban.
With 4 Bolt Converter Flange and Gasket.
4" Mandrel bent tubing for maximum flow
Lower Exhaust Gas TemperaturesMore Pulling PowerUtilizes OEM HangersIncreased Horsepower and Torque
Eas..
$484.47
Brand: FloPro
Part Number: SS823
Fits, GM Duramax Diesel 2001-2005 6.6L 2500/3500. For, Extended Cab, Long/Short box, Dually. Exclude Suburban.
With 4 Bolt Converter Flange and Gasket.
4" Mandrel bent tubing for maximum flow
Lower Exhaust Gas TemperaturesMore Pulling PowerUtilizes OEM HangersIncreased Horsepower and Torque
Eas..
$609.40
Brand: MBRP
Part Number: S6000P
4” Cat Back, Single Side Exit - Aluminized Steel
Chevy/GMC 2500/3500 Duramax, EC/CC 2001-2005MBRP Performance Series ExhaustsMBRP's P Series features Aluminized Steel 4" & 5" Downpipe-Back and Turbo-Back exhaust systems. This creates the lightest system available, which makes it perfect for recreat..
$484.99
Brand: MBRP
Part Number: S6000AL
MBRP 2001-2005 6.6L Duramax Aluminized 4" Exhaust System, Cat/4 Bolt flange Back
Aluminized Installer Series, four-bolt flange back. Includes 4 Inch Inlet, 5 Inch Outlet Polished Stainless tip!
The Duramax has a refined toughness to it. MBRP Inc. Has left the refined part to General Motors, and ad..
$604.99
Brand: Banks Power
Part Number: 487xx
Banks' new Monster Sport Exhaust is one cool cat-back system! And its low price? That's way cool. The system slashes backpressure, increases exhaust flow, improves fuel economy and delivers extra power to your rear wheels. Exhaust tip optional.
4" constant-diameter cat-back exhaust system
Virtua..
$379.00
Brand: FloPro
Part Number: 820
Fits, GM Duramax Diesel 2001-2007 6.6L 2500/3500. For, Extended Cab, Long/Short box, Dually.
4" Mandrel bent tubing for maximum flow
Lower Exhaust Gas TemperaturesMore Pulling PowerUtilizes OEM HangersIncreased Horsepower and Torque
Easy Bolt-on Kits, "Everything you need"
Flo Pro part numb..
$484.47
Brand: FloPro
Part Number: SS820
Fits, GM Duramax Diesel 2001-2007 6.6L 2500/3500. For, Extended Cab, Long/Short box, Dually.
4" Mandrel bent tubing for maximum flow
Lower Exhaust Gas TemperaturesMore Pulling PowerUtilizes OEM HangersIncreased Horsepower and Torque
Easy Bolt-on Kits, "Everything you need"
Flo Pro part number:..
$609.40
Brand: AFE
Part Number: 49-14001
The smooth curves and increased size of This aFe cat-back exhaust systems helps remove restriction and keeps exhaust gasses flowing smoothly. Durable aluminized steel.
Systems Specifications:
4 inch aluminized steel mandrel-bent tube
7 inch aluminized steel muffler
Tip not included
Cat-Back
..
$657.00
Brand: FloPro
Part Number: 723
Fits, GM Duramax Diesel 2001-2005 6.6L 2500/3500. For, Extended Cab, Long/Short box, Dually. Exclude Suburban.
With 4 Bolt Converter Flange and Gasket.
4" Mandrel bent tubing for maximum flow
Lower Exhaust Gas Temperatures
More Pulling Power
Utilizes OEM Hangers
Increased Horsepowe..
$639.87
Brand: FloPro
Part Number: FP-72x
Fits, GM Duramax Diesel 2001-2007 6.6L 2500/3500. For, Extended/Club Cab, Long/Short box. Please choose Dual Axel application above.
4" Mandrel bent tubing for maximum flow
Lower Exhaust Gas TemperaturesMore Pulling PowerUtilizes OEM HangersIncreased Horsepower and Torque
Easy Bolt-on Kits, "Ever..
$639.87
Brand: Dorman Products
Part Number: 904-254
94-00 GM 6.5L + 01-16 GM 6.6L Duramax Dorman Exhaust Down Pipe V-Band Clamp (Downpipe To Front Pipe)
This exhaust clamp is designed to match the function of the original equipment clamp on specified vehicles. Manufactured from quality materials for reliability, it is engineered to help ensure secure connections between exhaust system components.
Direct replacement - this exhaust cla..
$61.88
Brand: Pacific Performance Engineering
Part Number: 117000400
The PPE 117000400 3" Stainless Steel Downpipe for your 01-04 GM 6.6L Duramax allows you to removed your crushed oval stock downpipe and replace it with a smooth round, long lasting 304 stainless steel down pipe. Spiral wrapped with titanium woven thread for superior heat that's held in place with st..
$170.99
Brand: Magnaflow
Part Number: 15398
Fits: 2001-2004 GM DieselMagnaFlow turbo downpipes feature stainless steel construction for maximum flow capacity and a T304 stainless steel flex joint for durability. They bolt to the bottom of the stock turbo housing and even retain the OEM oxygen sensor location. With their unique outlet design, ..
$190.00
Brand: MBRP
Part Number: GMCA425
This MBRP downpipe eliminates restriction compared to the factory downpipe. This downpipe is made of mandrel bent aluminized steel construction which provides a smoother flow from the turbo which results in lower EGT's, increased performance, throatier sound and faster turbo spool-up. Downpipe ..
$304.99
Brand: MBRP
Part Number: GMAL401
Aluminized Steel 4 Inch Front Pipe with Flange for 2001-2004 Chevy/GM 6.6L Duramax Diesel
THIS PRODUCT CANNOT SHIP TO CALIFORNIA
MBRP: GMAL401..
$209.99
Brand: MBRP
Part Number: GMS9401
Stainless Steel 4 Inch Front Pipe with Flange for 2001-2004 Chevy/GM 6.6L Duramax Diesel
MBRP: GMS9401..
$239.99
Brand: MBRP
Part Number: GM8425
While the search for more power for your LLY, LBZ or LMM Duramax powered vehicle usually leads you down the path of exhaust, intake and tuner, one item that is often overlooked is the factory restrictive turbo direct pipe.
MBRP has addressed this restrictive component of the factory exhaust with t..
$314.99
Brand: MBRP
Part Number: GMAL413
Aluminized Extension Pipe For The Regular Cab 01-05 Chevy Diesel
MBRP part number: GMAL413..
$109.99
Brand: Expandit
Part Number: DUR350MRP
01-07 Chevy/GM 6.6L Duramax Diesel Stock Muffler Delete Pipe
Does not fit 08+ LMM Duramax equipped trucks.
Quickly and easily straight-pipe your Chevy Duramax to allow your engine to breathe!
Simply cut the exhaust as close to your muffler as possible on both sides of the stock muffler, then ..
$118.68
Brand: Diamond Eye
Part Number: 321045
321045 - FOR 2001, 2002, 2003, 2004, 2005, 2006 & EARLY 2007 - CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 - 4" ALUMINIZED - PERFORMANCE DIESEL EXHAUST - 4 BOLT ADAPTER PLATE
This adapter plate has a 4-bolt welded flange on one side and a 4 inch diameter slip-fit connecti..
$69.05
Backordered
Brand: Diamond Eye
Part Number: 361045
Backordered with No ETA (Updated on 6/3/2025)
361045 - FOR 2001, 2002, 2003, 2004, 2005, 2006 & EARLY 2007 - CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 - 4" T409 STEEL - PERFORMANCE DIESEL EXHAUST - 4 BOLT ADAPTER PLATE
This adapter plate has a 4-bolt welded f..
$96.09
Brand: Diamond Eye
Part Number: 321051
Replacement section for first section of tailpipe only on 01-07 6.6L Duramax.
The Second section is part # 321052
Image for Representation only, may not be actual part...
$76.09
Brand: Diamond Eye
Part Number: 341006
Diamond Eye Aluminized 5" Tailpipe. This is the piece that connects to the last tailpipe piece. If you need the 2nd tailpipe piece (exiting piece), see below.
Fits 2001 - 2007 GM 6.6L Duramax Diesel
Diamond Eye part number: 341006..
$132.56
Brand: Diamond Eye
Part Number: 341007
Diamond Eye Aluminized 5" Tailpipe. This is the piece that exits from the vehicle. If you need the 1st tailpipe piece, see below.
Fits 2001 - 2007 GM 6.6L Duramax Diesel
Diamond Eye part number: 341007..
$106.60
Brand: Diamond Eye
Part Number: 321052
Replacement section for second section of tailpipe only on 01-07 6.6L Duramax.
The first section is part # 321051
Image for Representation only, may not be actual part...
$78.38
Brand: AP Exhaust Technologies
Part Number: 2548
Keep your 2001-2007 GM 6.6L Duramax as quiet as it came from the factory with the AP Exhaust 2548 Challenge Series Replacement Muffler. This muffler features a patented Single Cartridge Muffler design along with a 100% aluminized steel construction for minimal back-pressure and maximum sound control..
$134.59
Brand: Diamond Eye
Part Number: 321051/321052
FOR 2001, 2002, 2003, 2004, 2005, 2006, 2007 - CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 (ALL CAB AND BED LENGTHS) - 4" ALUMINIZED - PERFORMANCE DIESEL EXHAUST KIT - Tail Pipe
Diamond Eye part numbers 321051 & 321052..
$154.47
Brand: Diamond Eye
Part Number: 4001
4001 - FOR 2001, 2002, 2003, 2004, 2005, 2006 & EARLY 2007 - CHEVY/GMC 6.6L DURAMAX DIESEL 2500/3500 - PERFORMANCE DIESEL EXHAUST - HIGH-TEMPERATURE 4 BOLT GASKET - USED FOR 321045 OR 361045..
$11.56
Brand: Magnaflow
Part Number: 15463
Fits: 2001-2007 6.6L Duramax LB7/LLY/LBZThe MagnaFlow Truck 15463 is engineered as a universal component for your truck’s exhaust system and optimized for superior flow characteristics and performance. 15463 is mandrel bent, produced using advanced CNC precision robotic manufacturing tech..
$152.00
Brand: MBRP
Part Number: GP010
MBRP Tailpipe for 01-07 Duramax trucks. Part Number: GP010Year: 2001-2007Make: Chevrolet/GMCModel: Silverado 2500HD/Silverado 3500HD/Sierra 2500HD/Sierra 3500HDTubing Size: 4-InchSeries: Armor LiteMaterial: Aluminized SteelVehicle Configuration: LMM Engines ExcludedMaterial Specs:Aluminized Ste..
$104.99
Brand: AP Exhaust Technologies
Part Number: 48682
Get excellent corrosion resistance and an OE fit for the exhaust on your 2001-2007 GM 6.6L Duramax (153" Wheelbase) with the AP Exhaust 48682 Replacement Intermediate Pipe. AP Exhaust constructs their pipes from 100% aluminized steel and make sure all brackets, flanges, and shielding are in their or..
$163.45
Brand: AP Exhaust Technologies
Part Number: 64824
The AP Exhaust 64824 Replacement Tail pipe is modeled after the stock pipe on your 2001-2007 GM 6.6L Duramax, featuring the necessary brackets, flanges, and shielding for an OE fit and appearance. AP Exhaust uses 100% aluminized heavy 14 and 16-gauge steel piping to construct their tail pipes, then ..
$174.57
Brand: Diamond Eye
Part Number: 361051
Replacement section for first section of tailpipe only on 01-07 6.6L Duramax.
The Second section is part # 361052
Image for Representation only, may not be actual part...
$111.18
Brand: Diamond Eye
Part Number: 361052
Replacement section for second section of tailpipe only on 01-07 6.6L Duramax.
The first section is part # 361051
Image for Representation only, may not be actual part...
$114.20
Brand: Diamond Eye
Part Number: 321046
This is the pipe that is between the downpipe and muffler.
4" Aluminized
Diamond Eye part number: 321046..
$121.49
Brand: AFE
Part Number: 49-91002
The aFe Universal fit 409 Stainless Steel Performance Muffler is designed to provide a deep, throaty, powerful sound on acceleration but maintain a smooth sound at idle. This muffler is constructed of brushed finished 409 stainless steel and uses a straight through perforated core with heat resistan..
$169.00
Brand: MBRP
Part Number: MDA30
Muffler Delete Pipe 4" Inlet /Outlet 30" OverallUniversal There are always those purists who push the envelope in their pursuit of maximum performance. It is for these true enthusiasts that we build what is one of the most extensive line-ups of muffler deletes in the industry. Extreme performance an..
$74.99