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Add to Cart The item has been addedWehrli 17-24 Chevrolet 6.6L L5P Duramax 2in Stainless Up Pipe Kit w/Gaskets - WCF100624
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 / 3500 HD truck with these heavy duty 11 gauge 2"...$705.00$683.85Add to Cart The item has been added -
Add to Cart The item has been addedWehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware - WCF100226
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 port...$2,225.00$2,158.25Add to Cart The item has been added -
Add to Cart The item has been addedWehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe - WCF100129
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 DOC outlet flange behind the OEM turbo and mates...$345.00$334.65Add to Cart The item has been added -
Add to Cart The item has been addedWehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax Up Pipe Bolt Kit - WCF100199
The WCFab L5P Up Pipe Bolt Kit is comprised of 12 specially selected high strength ARP fasteners and matched washers with a pack of assembly lube are designed as an upgrade to the smaller and failure...$62.00$60.14Add to Cart The item has been added -
Add to Cart The item has been addedWehrli 17-24 Duramax L5P High Flow Intake Horn - Gloss Black - WCF100775-GB
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2025 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped with the 6.6L Duramax Diesel is the largest and highest flowing...$269.00$260.93Add to Cart The item has been added -
Add to Cart The item has been addedWehrli 17-24 Duramax L5P High Flow Intake Horn - Gloss White - WCF100775-GW
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2025 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped with the 6.6L Duramax Diesel is the largest and highest flowing...$269.00$260.93Add to Cart The item has been added -
Add to Cart The item has been addedWehrli 17-24 Duramax L5P High Flow Intake Horn - WCFab Red - WCF100775-RED
The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2025 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped with the 6.6L Duramax Diesel is the largest and highest flowing...$294.00$285.18Add to Cart The item has been added -
Add to Cart The item has been addedWehrli 17-24 L5P Duramax Billet Exhaust Manifold Kit w/ Gaskets and ARP Hardware - WCF100373
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 port...$1,619.00$1,570.43Add to Cart The item has been added -
Add to Cart The item has been addedWehrli 2.375in x 3in ID Straight Reducer 4.5in Long Silicone Boot and Clamp Kit - WCF207-105
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.$64.00$62.08Add to Cart The item has been added -
Add to Cart The item has been addedWehrli 20-24 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Gloss Black - WCF100702-GB
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 2020-2025 L5P 6.6L Duramax equipped...$649.00$629.53Add to Cart The item has been added -
Add to Cart The item has been addedWehrli 20-24 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Gloss White - WCF100702-GW
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 2020-2025 L5P 6.6L Duramax equipped...$649.00$629.53Add to Cart The item has been added -
Add to Cart The item has been addedWehrli 20-24 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Gloss Black - WCF100365-GB
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 a high flow one piece 3" pipe. It also includes upgraded...$345.00$334.65Add to Cart The item has been added
