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Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - WCFab Red
$181.00
$175.57
WCFWCF100742-RED
Products
Aluminum Upper Coolant Pipe for 2017-2019 L5P Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of choice! Replaces the...
Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit - Gloss White
$615.00
$596.55
WCFWCF100718-GW
Products
Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up....
Wehrli 17-19 Duramax L5P / 20-24 L5P Duramax Long Bed Fuel Filter Housing Kit
$245.00
$237.65
WCFWCF100361
Products
Increase fuel filter capacity and amount of time between filter changes on your 2017-2024 L5P Duramax by upgrading from a stock cartridge style filter...
Wehrli 17-19 L5P Duramax Billet Anodized Transmission Cooler Thermostat Bypass Plug
$59.00
$57.23
WCFWCF100469
Featured Products
Products
As a direct replacement for the failure prone OEM thermostat, the Transmission Cooler Thermostat Bypass Plug can drop fluid temperature from 15-50 degrees F...
Wehrli 17-23 GM 6.6L L5P Duramax VGT Exhaust Housing Heat Blanket
$153.00
$148.41
WCFWCF100822
Products
For use on tuned 2017-2023 L5P Duramax competition trucks equipped with VGT Style Turbochargers. This Part Fits: Year Make Model Submodel 2021-2023 Chevrolet Silverado 2500...
Wehrli 17-24 Chevrolet 6.6L L5P Duramax 2in Stainless Up Pipe Kit w/Gaskets
$689.00
$668.33
WCFWCF100624
Products
Replace the lightweight 16G, leak prone, 1 5/8" OEM up pipes on your 2017-2025 6.6L L5P Duramax equipped Chevrolet Silverado or GMC Sierra 2500...
Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware
$2,159.00
$2,094.23
WCFWCF100226
Products
WCFab’s 2017-2025 L5P Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. These manifolds are exhaust...
Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe
$335.00
$324.95
WCFWCF100129
Products
Replace the restrictive crushed factory down pipe on your 2017-2025 L5P Duramax with this 3.5" Down Pipe for improved exhaust flow. Connects to the...
Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax Up Pipe Bolt Kit
$60.00
$58.20
WCFWCF100199
Featured Products
Products
The WCFab L5P Up Pipe Bolt Kit is comprised of 12 specially selected high strength ARP fasteners and matched washers with a pack of...
Wehrli 17-24 Duramax L5P High Flow Intake Horn - Bengal Blue
$259.00
$251.23
WCFWCF100775-BB
Products
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2024 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped...
Wehrli 17-24 Duramax L5P High Flow Intake Horn - Gloss Black
$259.00
$251.23
WCFWCF100775-GB
Products
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2024 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped...
Wehrli 17-24 Duramax L5P High Flow Intake Horn - Gloss White
$259.00
$251.23
WCFWCF100775-GW
Products
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2024 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped...
Wehrli 17-24 Duramax L5P High Flow Intake Horn - WCFab Grey
$284.00
$275.48
WCFWCF100775-GRY
Products
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2024 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped...
Wehrli 17-24 Duramax L5P High Flow Intake Horn - WCFab Red
$284.00
$275.48
WCFWCF100775-RED
Products
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2024 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped...
Wehrli 17-24 L5P Duramax Billet Exhaust Manifold Kit w/ Gaskets and ARP Hardware
$1,574.00
$1,526.78
WCFWCF100373
Products
WCFab’s 2017-2025 L5P Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components. These manifolds are exhaust...
Wehrli 2.375in x 3in ID Straight Reducer 4.5in Long Silicone Boot and Clamp Kit
$62.00
$60.14
WCFWCF207-105
Featured Products
Products
Contains one 2.375" x 3" ID Silicone Reducer Boot 4.5" Long with Logo, one 3" T-Bolt Clamp and one 2.375-2.5" T-Bolt Clamp.
Wehrli 20-24 Chevrolet 6.6L L5P Duramax 3.5in Intake Horn w/PCV Port - Gloss Black
$234.00
$226.98
WCFWCF100833-GB
Products
3.5 in. Turbo Intake Horn for the 2020-2024 L5P Duramax with factory style Turbo. The OEM plastic intake horn is 2.4 in. diameter and...
Wehrli 20-24 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Gloss Black
$332.00
$322.04
WCFWCF100365-GB
Products
The 3" High Flow Driver side Intercooler pipe for the 2020-2025 L5P Duramax. Replaces the factory two piece 2 ½" inter cooler pipe with...
Wehrli 20-24 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Gloss White
$332.00
$322.04
WCFWCF100365-GW
Products
The 3" High Flow Driver side Intercooler pipe for the 2020-2025 L5P Duramax. Replaces the factory two piece 2 ½" inter cooler pipe with...
Wehrli 20-24 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Gloss Black
$374.00
$362.78
WCFWCF100381-GB
Products
The 3.5" High Flow Passenger Side Intercooler Pipe for 2020 and Newer L5P Duramax replaces the factory plastic two piece pipe with a high...
Wehrli 20-24 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Gloss White
$374.00
$362.78
WCFWCF100381-GW
Products
The 3.5" High Flow Passenger Side Intercooler Pipe for 2020 and Newer L5P Duramax replaces the factory plastic two piece pipe with a high...
Wehrli 20-24 Chevrolet 6.6L LP5 Duramax High Flow Intake Bundle Kit - Gloss Black
$1,515.00
$1,469.55
WCFWCF100414-GB
Products
The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality...
Wehrli 20-24 Chevrolet 6.6L LP5 Duramax High Flow Intake Bundle Kit - Gloss White
$1,515.00
$1,469.55
WCFWCF100414-GW
Products
The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality...
Wehrli 20-24 Chevrolet Duramax Traction Bar Install Kit
$274.00
$265.78
WCFWCF100831
Products
Built in house at WCFab our traction bar brackets bolt on to the bottom of the axle tube via the axle u-bolts and weld...
Wehrli 20-24 Chevrolet-GMC 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Gloss White
$525.00
$509.25
WCFWCF100268-GW
Products
2020-2025 L5P Duramax Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location.Dress up your engine bay by replacing the ugly clear plastic...
Wehrli 20-24 Duramax L5P High Flow Intake Bundle Kit - Gloss Black
$679.00
$658.63
WCFWCF100410-GB
Products
Stage 1 upgrade for the 2020-2025 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up....
Wehrli 20-24 GM 2500/3500 HD Bumper Spacer Kit - 3/4in
$199.00
$193.03
WCFWCF100444
Products
2020-2025 Silverado and Sierra 2500HD / 3500HD CNC machined billet aluminum spacer kits from WCFab move the front bumper forward off the frame horns...
Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Black Anodized
$51.00
$49.47
WCFWCF100443
Featured Products
Products
Clean up the engine bay of your 2001-2025 Chevy Silverado or GMC Sierra 2500 / 3500 6.6L truck equipped with the 6.6L Duramax with...
Wehrli 2001+ GM Duramax LB7/LLY/LBZ/LMM/LML/L5P Billet Oil Fill Cap - Clear Anodized
$51.00
$49.47
WCFWCF100442
Featured Products
Products
Clean up the engine bay of your 2001-2025 Chevy Silverado or GMC Sierra 2500 / 3500 6.6L truck equipped with the 6.6L Duramax with...
Wehrli 2006-2007 LBZ Duramax High Flow 3in Y-Bridge Kit- Gloss Black
$995.00
$965.15
WCFWCF100163-GB
Products
This LBZ 3" Y-Bridge Kit is an upgraded high flow intake kit for the 2006-2007 LBZ Duramax which replaces the OEM upper intake manifold...
Wehrli 2007.5-2010 LMM Duramax High Flow 3in Y-Bridge Kit- Gloss Black
$995.00
$965.15
WCFWCF100164-GB
Products
This LMM 3" Y-Bridge Kit is an upgraded high flow intake kit for the 2007.5-2010 LMM Duramax which replaces the OEM upper intake manifold...
Wehrli 2017-2024 Chevrolet 6.6L L5P Duramax Intake Resonator Delete Plug - Black Anodized
$31.00
$30.07
WCFWCF100473
Featured Products
Products
This quick and easy to install, billet aluminum plug allows you to clean up your engine bay and get more aggressive turbo sound in...
Wehrli 2020-2024 Chevrolet 6.6L L5P Duramax 4in Intake Pipe (Use w/OEM Air Box) - Gloss Black
$225.00
$218.25
WCFWCF100720-GB
Products
WCFab's 4" Intake Resonator Pipe for the Factory (VGT) Turbo on 2020-2025 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 2020-2024 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Gloss White
$168.00
$162.96
WCFWCF100541-GW
Products
Upper Coolant Pipe for 2020-2025 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 truck replaces the ugly OEM rubber upper...
Wehrli 6.6L LML Duramax High Pressure Line CP3 Conversion Kit
$399.00
$387.03
WCFWCF100402
Products
Longer and Larger I.D. High-Pressure Line than the WCFab Street Series Kit and other CP3 Conversion Kits offered on the market which allows for...
Wehrli 99-23 GM Billet Coolant Heater Core Firewall Fitting
$41.00
$39.77
WCF100155
Featured Products
Products
Wehrli 99-23 GM Billet Coolant Heater Core Firewall Fitting
