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Wehrli 17-19 Chevrolet 6.6L L5P Duramax High Flow Intake Bundle Kit Stage 2 - Gloss Black
$1,475.00
$1,430.75
WCFWCF100441-GB
Air Intake Systems
Cold Air Intakes
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 17-19 Chevrolet 6.6L L5P Duramax High Flow Intake Bundle Kit Stage 2 - Gloss White
$1,475.00
$1,430.75
WCFWCF100441-GW
Air Intake Systems
Cold Air Intakes
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 17-19 Chevrolet 6.6L L5P Duramax High Flow Intake Bundle Kit Stage 2 - Red
$1,600.00
$1,552.00
WCFWCF100441-RED
Air Intake Systems
Cold Air Intakes
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 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Bengal Red
$509.00
$493.73
WCFWCF100433-BR
Coolant Reservoirs
Cooling
The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Flat Black
$509.00
$493.73
WCFWCF100433-FB
Coolant Reservoirs
Cooling
The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Gloss Black
$509.00
$493.73
WCFWCF100433-GB
Coolant Reservoirs
Cooling
The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax OEM Placement Coolant Tank Kit - Gloss White
$509.00
$493.73
WCFWCF100433-GW
Coolant Reservoirs
Cooling
The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Gloss Black
$320.00
$310.40
WCFWCF100530-GB
Forced Induction
Intercooler Pipe Kits
The WCFab 3.5" High Flow Passenger (Cold) Side Intercooler Pipe for 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - WCFab Grey
$345.00
$334.65
WCFWCF100530-GRY
Forced Induction
Intercooler Pipe Kits
The WCFab 3.5" High Flow Passenger (Cold) Side Intercooler Pipe for 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500...
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Upper Coolant Pipe - Gloss White
$160.00
$155.20
WCFWCF100742-GW
Cooling
Radiator Hoses
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 6.6L L5P Duramax Upper Coolant Pipe - WCFab Red
$185.00
$179.45
WCFWCF100742-RED
Cooling
Radiator Hoses
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
$635.00
$615.95
WCFWCF100718-GW
Air Intake Systems
Cold Air Intakes
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
$255.00
$247.35
WCFWCF100361
Fuel Delivery
Fuel Filters
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
$61.00
$59.17
WCFWCF100469
Best Sellers
Cooling
Thermostat Housings
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
$159.00
$154.23
WCFWCF100822
Fabrication
Heat Shields
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 17-23 L5P 6.6L Duramax/19-23 L5D 6.6L Duramax High Flow Turbo Pedestal Kit
$549.00
$532.53
WCFWCF100185
Forced Induction
Turbo Upgrade Components
Wehrli 17-23 L5P 6.6L Duramax/19-23 L5D 6.6L Duramax High Flow Turbo Pedestal Kit
Wehrli 17-24 Chevrolet 6.6L L5P Duramax 2in Stainless Up Pipe Kit w/Gaskets
$705.00
$683.85
WCFWCF100624
Connecting Pipes
Exhaust, Mufflers & Tips
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
$2,225.00
$2,158.25
WCFWCF100226
Exhaust, Mufflers & Tips
Headers & Manifolds
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
$345.00
$334.65
WCFWCF100129
Downpipes
Exhaust, Mufflers & Tips
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
$62.00
$60.14
WCFWCF100199
Best Sellers
Engine Components
Hardware Kits - Other
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 - Gloss Black
$269.00
$260.93
WCFWCF100775-GB
Air Intake Components
Air Intake Systems
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2025 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped...
Wehrli 17-24 Duramax L5P High Flow Intake Horn - Gloss White
$269.00
$260.93
WCFWCF100775-GW
Air Intake Components
Air Intake Systems
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2025 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped...
Wehrli 17-24 Duramax L5P High Flow Intake Horn - WCFab Grey
$294.00
$285.18
WCFWCF100775-GRY
Air Intake Components
Air Intake Systems
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2025 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped...
Wehrli 17-24 Duramax L5P High Flow Intake Horn - WCFab Red
$294.00
$285.18
WCFWCF100775-RED
Air Intake Components
Air Intake Systems
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2025 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped...
Wehrli 17-24 L5P Duramax Billet Exhaust Manifold Kit w/ Gaskets and ARP Hardware
$1,619.00
$1,570.43
WCFWCF100373
Exhaust, Mufflers & Tips
Headers & Manifolds
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
$64.00
$62.08
WCFWCF207-105
Best Sellers
Clamps
Fabrication
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 4in Intake Kit - Gloss Black
$649.00
$629.53
WCFWCF100702-GB
Air Intake Systems
Cold Air Intakes
WCFab's 4" High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the...
Wehrli 20-24 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Gloss White
$649.00
$629.53
WCFWCF100702-GW
Air Intake Systems
Cold Air Intakes
WCFab's 4" High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the...
Wehrli 20-24 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Gloss Black
$345.00
$334.65
WCFWCF100365-GB
Forced Induction
Intercooler Pipe Kits
The 3" High Flow Driver side Intercooler pipe for the 2020-2025 L5P Duramax. Replaces the factory two piece 2 1/2" inter cooler pipe with...
Wehrli 20-24 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Gloss White
$345.00
$334.65
WCFWCF100365-GW
Forced Induction
Intercooler Pipe Kits
The 3" High Flow Driver side Intercooler pipe for the 2020-2025 L5P Duramax. Replaces the factory two piece 2 1/2" inter cooler pipe with...
Wehrli 20-24 Chevrolet 6.6L L5P Duramax High Flow Intake Bundle Kit - Illusion Cherry
$1,684.00
$1,633.48
WCFWCF100414-RED
Air Intake Systems
Cold Air Intakes
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 L5P Duramax Passenger Side 3.5in Intercooler Pipe - Gloss Black
$385.00
$373.45
WCFWCF100381-GB
Forced Induction
Intercooler Pipe Kits
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
$385.00
$373.45
WCFWCF100381-GW
Forced Induction
Intercooler Pipe Kits
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 4in Intake Kit Stage 2 - Gloss White
$859.00
$833.23
WCFWCF100684-GW
Air Intake Systems
Cold Air Intakes
High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the 2020-2025 L5P...
Wehrli 20-24 Chevrolet 6.6L LP5 Duramax 4in Intake Kit Stage 2 - Red
$934.00
$905.98
WCFWCF100684-RED
Air Intake Systems
Cold Air Intakes
High flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive plastic factory parts on the 2020-2025 L5P...
Wehrli 20-24 Chevrolet 6.6L LP5 Duramax High Flow Intake Bundle Kit - Gloss Black
$1,559.00
$1,512.23
WCFWCF100414-GB
Air Intake Systems
Cold Air Intakes
The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality...
