Wehrli 15.5-16 Chevrolet 6.6L LML Duramax 3in Stainless Down Pipe (3 Bolt Flange) - WCF100705 MSRP: $349.00 Was: Now: $338.53 Add to Cart
Wehrli 11-15 Chevrolet 6.6L LML Duramax 3in Stainless Down Pipe (V-Band Style) - WCF100704 MSRP: $259.00 Was: Now: $251.23
Wehrli 01-16 Chevrolet 6.6L Duramax 2in Stainless Driver Side Up Pipe w/Gaskets (Single/Twin Turbo) - WCF100652 MSRP: $335.00 Was: Now: $324.95 Add to Cart
Wehrli 17-24 Chevrolet 6.6L L5P Duramax 2in Stainless Up Pipe Kit w/Gaskets - WCF100624 MSRP: $689.00 Was: Now: $668.33 Add to Cart
Wehrli 17-24 L5P Duramax Billet Exhaust Manifold Kit w/ Gaskets and ARP Hardware - WCF100373 MSRP: $1,574.00 Was: Now: $1,526.78 Add to Cart
Wehrli 01-16 Chevrolet Duramax Exhaust Manifold Kit w/ Gaskets & Hardware - WCF100363 MSRP: $1,399.00 Was: Now: $1,357.03 Add to Cart
Wehrli 17-24 Chevrolet Duramax Billet Exhaust Manifold & Stainless Up Pipe Kit w/ Gaskets & Hardware - WCF100226 MSRP: $2,159.00 Was: Now: $2,094.23 Add to Cart
Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets (Passenger Side) - WCF100211 MSRP: $419.00 Was: Now: $406.43
Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets - WCF100197 MSRP: $695.00 Was: Now: $674.15
Wehrli 17-24 Chevrolet/GMC 6.6L L5P Duramax 3.5in Down Pipe - WCF100129 MSRP: $335.00 Was: Now: $324.95 Add to Cart
Wehrli 11-15 Chevrolet 6.6L LML Duramax 3in Down Pipe (V-Band Style) - WCF100121 MSRP: $229.00 Was: Now: $222.13 Add to Cart
Wehrli 15.5-16 Chevrolet 6.6L LML Duramax 3in Stainless Down Pipe (3 Bolt Flange) - WCF100705 Replace the restrictive crushed factory down pipe on your 2015.5-2016 LML Duramax with this full 3" Stainless steel down pipe. For use with factory turbo or factory style drop in turbo on trucks with... MSRP: $349.00 Was: Now: $338.53 Add to Cart
Wehrli 11-15 Chevrolet 6.6L LML Duramax 3in Stainless Down Pipe (V-Band Style) - WCF100704 Replace the restrictive crushed factory down pipe on your 2011-2016 LML Duramax with this full 3" Stainless Steel down pipe. For use with factory turbo or factory style drop in turbo on trucks using... MSRP: $259.00 Was: Now: $251.23
Wehrli 01-16 Chevrolet 6.6L Duramax 2in Stainless Driver Side Up Pipe w/Gaskets (Single/Twin Turbo) - WCF100652 Replace the lightweight 16G, leak-prone Driver side OEM up pipe with this heavy-duty 11 gauge 2" Stainless up pipe. HD Stainless Bellow that will not crack and leak like OEM. Increase Turbo spool up... MSRP: $335.00 Was: Now: $324.95 Add to Cart
Wehrli 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"... MSRP: $689.00 Was: Now: $668.33 Add to Cart
Wehrli 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... MSRP: $1,574.00 Was: Now: $1,526.78 Add to Cart
Wehrli 01-16 Chevrolet Duramax Exhaust Manifold Kit w/ Gaskets & Hardware - WCF100363 WCFab's 2001-2016 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 gasket... MSRP: $1,399.00 Was: Now: $1,357.03 Add to Cart
Wehrli 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... MSRP: $2,159.00 Was: Now: $2,094.23 Add to Cart
Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets (Passenger Side) - WCF100211 Replace the lightweight 16G, leak prone, 1 5/8" OEM passenger side up pipe on your 2011-2016 6.6L LML Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck with these heavy duty 11... MSRP: $419.00 Was: Now: $406.43
Wehrli 11-16 Duramax LML Stainless 2in Up Pipe Kit w/ Gaskets - WCF100197 Replace the lightweight 16G, leak prone, 1 5/8" OEM driver and passenger side up pipes on your 2011-2016 6.6L LML Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck with this... MSRP: $695.00 Was: Now: $674.15
Wehrli 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... MSRP: $335.00 Was: Now: $324.95 Add to Cart
Wehrli 11-15 Chevrolet 6.6L LML Duramax 3in Down Pipe (V-Band Style) - WCF100121 Replace the restrictive crushed factory down pipe with this full 3" down pipe. For use with factory turbo or factory style drop in turbo. 2015.5 and newer LML have a 3 bolt flange exhaust system,... MSRP: $229.00 Was: Now: $222.13 Add to Cart