Kit Includes:
3.5 in. Cold Side Intercooler Pipe
14g aluminum construction
High Quality HD Silicone 3.5 in. Double Hump Boot
Stainless Steel T-Bolt Clamps
O-Rings
CNC Machin...
Description: Kit Includes:
3.5 in. Cold Side Intercooler Pipe
14g aluminum construction
High Quality HD Silicone 3.5 in. Double Hump Boot
Stainless Steel T-Bolt Clamps
O-Rings
CNC...More Details »
Condition: New
This Product is NOT C.A.R.B Approved. This Product Cannot Ship to California
Description: Kit Includes:
4.8" Inlet - Largest Intake Horn on the Market
Silicone Reducer Boot
Stainless Steel T-Bolt Clamps
O-Ring Seal
PCV Port
CNC Machined Cast Aluminum...More Details »
Condition: New
This Product is NOT C.A.R.B Approved. This Product Cannot Ship to California
Price: $389.00
WCFab 2007.5-2010 LMM Duramax 4" Cold Air Intake Kit with Air Box - WCF100193New
Kit Includes:
4" Intake Pipe
14g Aluminum Construction
Air Box & Lid Constructed of 10G Aluminum Sheet
Dry Air Filter
Outerwear's Pre-Filter Cover
Includes Installation ...
Description: Kit Includes:
4" Intake Pipe
14g Aluminum Construction
Air Box & Lid Constructed of 10G Aluminum Sheet
Dry Air Filter
Outerwear's Pre-Filter Cover
Includes Installation...More Details »
Condition: New
This Product is NOT C.A.R.B Approved. This Product Cannot Ship to California
Price: $525.00
WCFab 2007.5-2010 LMM Duramax 4" Stage 2 Intake Kit with Air Box - WCF100303New
Kit Includes:
4" Intake Pipe
14g Aluminum Construction
Air Box & Lid Constructed of 10G Aluminum Sheet
Dry Air Filter
Outerwear's Pre-Filter Cover
Silicone Boot & St...
Kit Includes:
Left and Right Upper Valve Covers
Flush Head Stainless hardware
Black Anodized #10 JIC / -10AN Fittings
O-Ring Seals
Built-in clearances for performance engines...
Description: Kit Includes:
Left and Right Upper Valve Covers
Flush Head Stainless hardware
Black Anodized #10 JIC / -10AN Fittings
O-Ring Seals
Built-in clearances for performance engines...More Details »
Condition: New
Price: $399.00
WCFAB 2011-2019 Duramax ECLB & CCLB 68" Traction Bar KitNew
***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
-Curry Enterprise Johnny Joi...
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
-Curry Enterprise Johnny...More Details »
Condition: New
Price: $989.00
WCFAB 2011-2019 Duramax RCLB/CCSB/ECSB 60" Traction Bar KitNew
***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
-Cur...
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 »
Condition: New
Price: $989.00
WCFab 2017-2019 L5P Duramax 4" Cold Air Intake Kit with Air BoxNew
For Powder Coating Options, Please See our Wehrli Powder Coating Guide
WCFab’s 2001-2016 Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components designed to enhance exhaust flo...
The WCFab 3.5" High Flow Passenger Side Intercooler Pipe for 2020-2024 L5P Duramax replaces the restricted OEM rubber/plastic design with a high flow, 14 ga. aluminum one piece 3.5" pipe. Includes...
Description: The WCFab 3.5" High Flow Passenger Side Intercooler Pipe for 2020-2024 L5P Duramax replaces the restricted OEM rubber/plastic design with a high flow, 14 ga. aluminum one piece 3.5" pipe. Includes...More Details »
Condition: New
This Product is NOT C.A.R.B Approved. This Product Cannot Ship to California
WCFab’s 2017-2024 Duramax Billet Exhaust Manifolds with EGR Riser Flange replace the restrictive factory cast parts with high-strength, TIG-welded high-flow billet steel components designed ...
WCFab's Stage 1 upgrade for the 2020-2024 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the fa...
Description: WCFab's Stage 1 upgrade for the 2020-2024 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool-up. Eliminates weak points in the...More Details »
Condition: New
This Product is NOT C.A.R.B Approved. This Product Cannot Ship to California
WCFab's Upper Coolant Pipe for 2020-2024 L5P Duramax replaces the ugly OEM rubber upper radiator hose with a fabricated aluminum hard pipe powder coated in your color of choice! For use with ...
Description: WCFab's Upper Coolant Pipe for 2020-2024 L5P Duramax replaces the ugly OEM rubber upper radiator hose with a fabricated aluminum hard pipe powder coated in your color of choice! For use with...More Details »
Condition: New
This Product is NOT C.A.R.B Approved. This Product Cannot Ship to California
Price: $168.00
WCFab LB7 Duramax 2" Stainless Single Turbo Style Pass Side Up Pipe For OEM Or WCFAB Manifold With Gaskets 2001-2004NewWCFAB
WCFab LONG BED L5P DURAMAX FUEL FILTER HOUSING KIT 2017-2019 & 2020-2023New
Increase fuel filter capacity and amount of time between filter changes on your 2017-2019 & 2020-2023 Long Bed L5P Duramax by upgrading from a stock cartridge style filter to WCFab's spin-on c...
Description: Increase fuel filter capacity and amount of time between filter changes on your 2017-2019 & 2020-2023 Long Bed L5P Duramax by upgrading from a stock cartridge style filter to WCFab's spin-on...More Details »