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2001-2004 GM 6.6 LB7 Duramax Featured Products
Description: Passenger Side Up Pipe
Driver Side Up Pipe
Up Pipe Gaskets (4)
Item #: WCF100589
Condition:
New
Please Call for Availability
10-15 Business Day Lead Time
This product cannot ship to California.
Description: 3 1/2" Intake Horn
Stainless Hardware
Gasket
Powder coating
No Tuning Required!
Item #: WCF100342
Condition:
New
Please Call for Availability
WCFab Red, WCFab Grey and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This product cannot ship to California.
Description: - 4" Intake Pipe
- 14g Aluminum Construction
- Air Box & Lid Constructed of 10G Aluminum Sheet
- Dry Air Filter
- Outerwear's Pre-Filter Cover
- Includes Installation Hardware
- 3 1/2" Intake...More Details »
Item #: WCF100300
Condition:
New
Please Call for Availability
WCFab Red, WCFab Grey, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on
other colors.
This Product cannot ship to the state of California
Description: - MAP Bung for Custom Intercooler Piping
- CNC Machined Billet Aluminum
- Made in USA
Item #: WCF205-35
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days.
Description: 3" Driver Side Intercooler Pipe
14g Mandrel Bent Aluminum Construction
Silicone Boots
T-Bolt Clamps
Powder Coating
No tuning required
Item #: WCF100349
Condition:
New
Please Call for Availability
WCFab Red, WCFab Grey, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This product cannot ship to California.
Item #: 97302261
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days.
Description: -4" Intake
-Dry Air Filter
-Outerwear's Pre-Filter Cover
-T4 Pedestal with Hardware
-Stainless Steel Oil Feed and Drain Lines with Fittings
-3" Fabricated High Flow Y-Bridge
-3" Hot Side...More Details »
Item #: WCF100478
Condition:
New
Please Call for Availability
Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Description: 5" Intake
Dry Air Filter
Outerwear's Pre-Filter Cover
T4 Pedestal & Spacer with Hardware
Stainless Steel Oil Feed and Drain Lines with Fittings
3" Fabricated High Flow Y-Bridge
3" Hot...More Details »
Item #: WCF100489
Condition:
New
Please Call for Availability
Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This product cannot ship to California.
Description: - 5" Intake
- Dry Air Filter
- Outerwears Pre-Filter cover
- 3.5" Cold Side Charge Pipe
- 3.5" Turbo Inlet Horn
- 3" One Piece Y-bridge with HD Bead roll end
- 3" Cold Side Intercooler Pipe...More Details »
Item #: WCF100570
Condition:
New
Please Call for Availability
Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Description: - 3" Fabricated Y-Bridge (for OEM style intake horn)
- 3" Passenger (Cold) Side Intercooler Pipe
- 3" Driver (Hot) Side Intercooler Pipe
- 14 ga Aluminum Construction
- FPRV Block Off Kit
-...More Details »
Item #: WCF100411
Condition:
New
Please Call for Availability
WCFab Red, WCFab Grey, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Description: - 3" Fabricated Y-Bridge (for OEM style intake horn)
- 3" Passenger (Cold) Side Intercooler Pipe
- 3" Driver (Hot) Side Intercooler Pipe
- 4" Intake Pipe
- Air Box with Lid
- Dry Air Filter
-...More Details »
Item #: WCF100435
Condition:
New
Please Call for Availability
WCFab Red in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Description: 3" Fabricated Billet Y-Bridge
3" Passenger (Cold) Side Intercooler Pipe
3" Driver (Hot) Side Intercooler Pipe
4" Intake Pipe
14g Aluminum Construction
Air Box with Lid
Dry Air Filter...More Details »
Item #: WCF100712
Condition:
New
Please Call for Availability
Ships in 10-15 business days
This product cannot ship to California.
Description: - Fully TIG Welded 11 GA Stainless Steel Construction
- Heavy Duty 2" Passenger Side Up Pipe Passenger Side Up Pipe for Compound / Twin Turbo Applications
- Full flow design eliminates clearance...More Details »
Item #: WCF100648
Condition:
New
Please Call for Availability
Built to order. 10-15 business day lead time.
This Product cannot ship to the state of California
Description: 4" Intake Pipe
14g Aluminum Construction
Air Box & Lid Constructed of 10G Aluminum Sheet
Dry Air Filter
Outerwear's Pre-Filter Cover
Includes Installation Hardware
Silicone Boot &...More Details »
Item #: WCF100190
Condition:
New
Please Call for Availability
WCFab Red with Standard Brushed Tag, WCFab Grey with Standard Brushed Tag, and Gloss Black with Standard Brushed Tag in stock and ships in 3-5 business days. 10-15
business day lead time on other colors.
This product cannot ship to California.
Wehrli Custom Fabrication 2001-2004 LB7 Duramax Fuel Pressure Relief Valve Block Off Kit - WCF100023
Description: -Stainless Block off Plug
-5/16" Fuel Line
-5/16" Brass Tee Fitting
-Hose Clamps
Item #: WCF100023
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days.
Item #: WCF100797
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days. While Supplies Last!
Description: -CP3 Mount Bracket (Powder Coated)
-Stainless Hardware
-Billet Aluminum CP3 Pulley, Raw
-Stainless Steel CP3 Pulley Nut
-Low Pressure Fuel Feed and Return Lines
-Stainless 1/2" CP3 Feed...More Details »
Item #: WCF100231
Condition:
New
Please Call for Availability
In stock and ships in 7-10 business days
This Product cannot ship to the state of California
Description: -CP3 Mount Bracket (Powder Coated)
-Stainless Hardware
-Billet Aluminum CP3 Pulley, Raw
-Stainless Steel CP3 Pulley Nut
-Low Pressure Fuel Feed and Return Lines
-Stainless 1/2" CP3 Feed...More Details »
Item #: WCF100245
Condition:
New
Please Call for Availability
Raw and Black Anodized in stock and ships in 7-10 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Description: 3" Fabricated Billet Y-Bridge (clearanced for OEM style intake horn)
3" Passenger Side Intercooler Pipe - 14g Mandrel Bent Aluminum Construction
FPRV Block Off Kit
Silicone Boots
T-Bolt...More Details »
Item #: WCF100693
Condition:
New
Please Call for Availability
WCFab Red, WCFab Grey and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This product cannot ship to California.
Description: 3" Downpipe
Heat Wrap
High Temp Ceramic Coating
Bolt on upgrade
No tuning required
Item #: WCF100119
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days.
This product cannot ship to California.
Description: -Twin CP3 Pump Controller
-Wire Harness
-Connectors
Item #: WCF100093
Condition:
New
Please Call for Availability
In stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Description: 14g Aluminum Coolant Pipe
Silicone Boots
Stainless Steel T-Bolt Clamps
Custom Powder Coat Finish
Item #: WCF100860
Condition:
New
Please Call for Availability
WCFab Red in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Description: - CNC Machined Billet Aluminum Thermostat Upper Housing
- Coolant Pipe
- Silicone Boots
- T-Bolt Clamps
Item #: WCF100405
Condition:
New
Please Call for Availability
WCFab Red, WCFab Grey, Gloss Black, and Gloss White in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Description: Coolant Tank
Low Coolant Level Sensor
Billet Anodized Cap
Over Flow Hose
Coolant Level Sight Glass
Installation Hardware
Powder Coating
Item #: WCF100645
Condition:
New
Please Call for Availability
WCFab Red with Standard Brushed Tag and Gloss Black with Standard Brushed Tag in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Description: - MAF Bung for Custom Intakes
- CNC Machined Billet Aluminum
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-26
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days.
Description: - MAF Bung for Custom Intakes
- CNC Machined Billet Steel
- Made in USA
- M4 x .7mm Thread Mounting Holes (hardware not included)
Item #: WCF205-31
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days.
Description: -Coolant Tank
-Low coolant sensor
-Cap
-Hoses
-Clamps
-Fittings
-Powder Coating
Item #: WCF100642
Condition:
New
Please Call for Availability
10-15 Business Day Lead Time
Description: Fabricated tubular steel support connects rear housing of Allison transmission to transfer case reinforcing the weaker tail housing section to eliminate flex caused by driveline vibrations which...More Details »
Item #: WCF100130
Condition:
New
Please Call for Availability
WCFab Red & Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Description: #NAME?
Item #: WCF206-19
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days.
Description: ***For Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models***
-LIFETIME WARRANTY against bending or breaking (to original purchaser)
-60" Heavy Duty Bars
-Poly Bushings...More Details »
Item #: WCF100850
Condition:
New
Please Call for Availability
WCFab Red with Standard Brushed Tag, Gloss Black with Standard Brushed Tag, and Gloss White with Standard Brushed Tag in stock and ships in 3-5 business days. 10-15
business day lead time on other colors.
Description: ***For Extended Cab Long Bed and Crew Cab Long Bed Models***
-LIFETIME WARRANTY against bending or breaking (to original purchaser)
-68" Heavy Duty Bars
-Poly Bushings
-RockJock Johnny Joints...More Details »
Item #: WCF100852
Condition:
New
Please Call for Availability
WCFab Red with Standard Brushed Tag, Gloss White with Standard Brushed Tag and Gloss Black with Standard Brushed Tag in stock and ships in 3-5 business days. 10-15
business day lead time on other colors.
Wehrli Custom Fabrication 2001-2010 Duramax Traction Bar Brackets & Hardware Install Kit - WCF100840
Description: - Includes Axle side bolt on and Frame side weld on mounts
- Grade 8 Hardware
- This part number is mounting hardware only. Bars not included.
- Powder Coating with zinc primer base coat on axle side brackets
Item #: WCF100840
Condition:
New
Limited Supply: Only 1 Left!
In Stock. Ships in 3-5 business days.
Price: $274.00
Description: Replaces OEM plastic front shield for lower engine bay and cooling stack which is prone to cracking and breaking.
Constructed from heavy gauge aluminum
Uses OEM mounting points
Provides...More Details »
Item #: WCF100463
Condition:
New
Please Call for Availability
Fine Texture Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Description: -Left & Right Mount
-High Grade Hardware for Mount to Engine
-Thread-locker compound
-Poly Bushings
-Powder Coating
Item #: WCF100158
Condition:
New
Please Call for Availability
Gloss black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Description: - Made from cast A356.0-T6 aluminum
- Includes fasteners, pan, NPT plug, and billet stainless steel Neodymium magnet drain plug
- Finished in your choice of custom powder colors
- Provides 1...More Details »
Item #: WCF100131
Condition:
New
Please Call for Availability
10-15 Business Day Lead Time
Description: Fully TIG Welded, CNC machined billet steel exhaust manifolds
Finished in Black Ceramic Coat rated for 1800ºF
Includes new gaskets for manifold to cylinder head and manifold to up pipe...More Details »
Item #: WCF100363
Condition:
New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
This product cannot ship to California.
Price: $1,289.13
Description: ARP Up Pipe Bolt kit for 2001-2016 Duramax. 6 Washers and Bolts for installing 1 up pipe. Includes ARP Lube.
Purchase two sets when installing a pair of up pipes.
Item #: WCF100240
Condition:
New
In Stock. Ships in 3-5 business days.
Price: $35.89
Description: Driver Side 2" Stainless Up Pipe
Up Pipe Gaskets (2)
Item #: WCF100652
Condition:
New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
This product cannot ship to California.
Price: $324.95
Description: TIG Welded Fabricated Aluminum Cover for Plastic Reservoir
Utilizes OEM Mounting Points and Hardware
Installs in minutes with basic hand tools
Custom Powder Coat Finish
Item #: WCF100205
Condition:
New
Please Call for Availability
WCFab Red, Bengal Blue, Bengal Red, Gloss Black, and Gloss White in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
Description: -CNC Machined Billet Aluminum GM factory oil cap filler neck replacement
-Matches WCFab Billet Aluminum Coolant Tank and Brake Reservoir Caps
-Includes o-ring seal
-Machined cam lock
-Black...More Details »
Item #: WCF100443
Condition:
New
Limited Supply: Only 1 Left!
In Stock. Ships in 3-5 business days.
Price: $49.47
Description: -CNC Machined Billet Aluminum GM factory oil cap filler neck replacement
-Matches WCFab Billet Aluminum Coolant Tank and Brake Reservoir Caps
-Includes o-ring seal
-Machined cam lock
-Clear...More Details »
Item #: WCF100442
Condition:
New
Limited Supply: Only 2 Left!
In Stock. Ships in 3-5 business days.
Price: $49.47
Description: - 4 in. Air Intake
- 14g Aluminum Construction
- 4 in. Dry Air Filter
- Outerwear's Pre-Filter Cover
- 4.8 in. Inlet Aluminum Intake Horn
- Largest Intake Horn on the market
- CNC Machined...More Details »
Item #: WCF100637
Condition:
New
Please Call for Availability
10-15 Business Day Lead Time
This Product cannot ship to the state of California
Description: 3" Cold Side Intercooler Pipe
14 ga. Aluminum Construction
Silicone Boots
T-Bolt Clamps
Compatible with OEM Y-Bridge/Cross Over Pipe
Flows 56% Better Than Stock!
NO Tuning Required,...More Details »
Item #: WCF100355
Condition:
New
Please Call for Availability
WCFab Red, Gloss White and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This product cannot ship to California.
Description: 4" Intake
Dry Air Filter
Outerwear's Pre-Filter Cover
Silicone Boots
T-Bolt Clamps
Powder coating
Item #: WCF100335
Condition:
New
Please Call for Availability
10-15 Business Day Lead Time
Description: 4" Intake Pipe
14g Aluminum Construction
Air Box & Lid Constructed of 10G Aluminum Sheet
Dry Air Filter
Outerwear's Pre-Filter Cover
Includes Installation Hardware
Silicone Boot &...More Details »
Item #: WCF100191
Condition:
New
Please Call for Availability
WCFab Red with Standard Brushed Tag and WCFab Grey with Standard Brushed Tag in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This product cannot ship to California.
Description: 4" Intake Pipe
14g Aluminum Construction
Air Box & Lid Constructed of 10G Aluminum Sheet
Dry Air Filter
Outerwear's Pre-Filter Cover
Includes Installation Hardware
4.8 in. Inlet...More Details »
Item #: WCF100301
Condition:
New
Please Call for Availability
WCFab Red, WCFab Grey, Gloss White, and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This product cannot ship to California.
Description: Must Be Installed by an Authorized Dealer
Item #: LLY750+HP
Condition:
New
Please Call for Availability
Description: Must Be Installed by an Authorized Dealer
Item #: LLY750HP
Condition:
New
Please Call for Availability
Description: -CP3 Mount Bracket (Powder Coated)
-Stainless Hardware
-Billet Aluminum CP3 Pulley Black Anodized
-Stainless Steel CP3 Pulley Nut
-Low Pressure Fuel Feed and Return Lines
-Stainless 1/2" CP3...More Details »
Item #: WCF100232
Condition:
New
Please Call for Availability
In Stock. Ships in 7-10 business days.
This Product cannot ship to the state of California
Description: -CP3 Mount Bracket (Powder Coated)
-Stainless Hardware
-Billet Aluminum CP3 Pulley
-Stainless Steel CP3 Pulley Nut
-Low Pressure Fuel Feed and Return Lines
-Stainless 1/2" CP3 Feed Fitting...More Details »
Item #: WCF100246
Condition:
New
Please Call for Availability
Raw and Black Anodized in stock and ships in 7-10 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Description: - Kit includes two CNC machined billet aluminum fittings with o-ring seals.
- 5/8" Hose Barb
- Black anodized finish
- Made in USA
- No tuning required!
Item #: WCF100189
Condition:
New
Limited Supply: Only 1 Left!
In Stock. Ships in 3-5 business days.
Price: $44.62
Description: 3" Hot Side Intercooler Pipe
14g Mandrel Bent Aluminum Construction
Silicone Boots
T-Bolt Clamps
Powder Coating
No tuning required
Item #: WCF100352
Condition:
New
Please Call for Availability
WCFab Red, WCFab Grey and Gloss Black in stock and ships in 3-5 business days. 10-15 business day lead time on other colors.
This product cannot ship to California.
Description: 3" Stainless Steel Downpipe
Heat Wrap
No tuning required!
Item #: WCF100703
Condition:
New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
This product cannot ship to California.
Price: $241.53
Item #: WCF100733
Condition:
New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
Price: $150.35
Description: Dry Air Filter 4" Inlet
Airflow comparable to cotton filters
Exceptional filtration keeps your engine protected from harmful debris
Lasts up to 30,000 miles on the highway
Extend the life...More Details »
Item #: WCF100717
Condition:
New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
Price: $69.84
Description: Dry Air Filter 5" Inlet
Airflow comparable to cotton filters
Exceptional filtration keeps your engine protected from harmful debris
Lasts up to 30,000 miles on the highway
Extend the life...More Details »
Item #: WCF100719
Condition:
New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
Price: $69.84
Description: #NAME?
Item #: WCF100828
Condition:
New
Limited Supply: Only 0 Left!
In Stock. Ships in 3-5 business days.
Price: $114.00
Description: #NAME?
Item #: WCF100271
Condition:
New
Please Call for Availability
In Stock. Ships in 3-5 business days.
This Product cannot ship to the state of California
Description: #NAME?
Item #: WCF100429
Condition:
New
Please Call for Availability
Raw and Black Anodized in stock and ships in 7-10 business days. 10-15 business day lead time on other colors.
This Product cannot ship to the state of California
Description: -Billet Front Engine Cover
-Stainless Hardware
-CP3 pump mounting plates (or block off plates)
Item #: WCF100127
Condition:
New
Please Call for Availability
Variable lead time. Please call for current availability.
This Product cannot ship to the state of California