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Filters
- Air Filters - Drop In (3)
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- Cold Air Intakes (43)
- Connecting Pipes (8)
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- Coolant Bypass Kits (2)
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- Fuel Components Misc (1)
- Fuel Filters (2)
- Fuel Pump - External Mounts (3)
- Hardware Kits - Other (2)
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- Heat Shields (4)
- Hitch Accessories (18)
- Injection Pumps & Controllers (2)
- Intake Elbows (5)
- Intercooler Pipe Kits (18)
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- OPTIONS_HIDDEN_PRODUCT (18)
- OPTIONS_HIDDEN_PRODUCTS (1)
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- Turbo Install Kits (4)
- Turbo Kits (2)
- Turbo Upgrade Components (11)
- Valve Covers (2)
- Wheel Accessories (1)
- Winch Mounts (1)
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Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Down Pipe
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 4,297.00$ 4,297.00 - $ 4,297.00Current price $ 4,297.00| /Wehrli Model WCF100119 3" LB7 Turbo Downpipe for use with OEM charger or Stealth series Drop in. High Temp Coated and Heat Wrap included. Compatibl...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 4,297.00$ 4,297.00 - $ 4,297.00Current price $ 4,297.00| / -
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax 3in Y-Bridge Kit
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 16,222.00$ 16,222.00 - $ 16,222.00Current price $ 16,222.00| /Wehrli Model WCF100693 The only High Flow 3” Complete Y-Bridge kit on the market for your LB7 that is compatible with the factory IHI turbo and aft...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 16,222.00$ 16,222.00 - $ 16,222.00Current price $ 16,222.00| / -
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Driver Side 3in Intercooler Pipe
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 5,525.00$ 5,525.00 - $ 5,525.00Current price $ 5,525.00| /Wehrli Model WCF100349 1 Piece 3" Driver Side Intercooler pipe that was designed to replace the factory pipe and low-quality silicone boots. This I...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 5,525.00$ 5,525.00 - $ 5,525.00Current price $ 5,525.00| / -
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 1,316.00$ 1,316.00 - $ 1,316.00Current price $ 1,316.00| /Wehrli Model WCF100023Wehrli 01-04 Chevrolet 6.6L LB7 Duramax Fuel Pressure Relief Valve Delete Kit This kit allows you to remove the Fuel Pressure...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 1,316.00$ 1,316.00 - $ 1,316.00Current price $ 1,316.00| / -
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax High Flow Intake Bundle Kit
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 36,634.00$ 36,634.00 - $ 36,634.00Current price $ 36,634.00| /Wehrli Model WCF100712 WCFab 2001-2004 GM LB7 6.6L Duramax Stage 3 High Flow Intake Bundle Kit Stage 3 upgrade for the 2001-2004 LB7 Duramax combin...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 36,634.00$ 36,634.00 - $ 36,634.00Current price $ 36,634.00| / -
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax S300 Turbo Install Kit (No Turbo)
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 57,783.00$ 57,783.00 - $ 57,783.00Current price $ 57,783.00| /Wehrli Model WCF100478 This kit will allow you to install an S300-based Turbo on your LB7 Duramax. Replacing all OEM plumbing and y-bridge with hig...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 57,783.00$ 57,783.00 - $ 57,783.00Current price $ 57,783.00| / -
Wehrli 01-04 Chevrolet 6.6L LB7 Duramax S400 Twin Turbo Kit (No Turbo)
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 60,589.00$ 60,589.00 - $ 60,589.00Current price $ 60,589.00| /Wehrli Model WCF1005702001-2004 LB7 Duramax S400/Stock Compound Turbo Kit (NO TURBO). 1000 RWHP capable depending upon turbo and fuel system modifi...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 60,589.00$ 60,589.00 - $ 60,589.00Current price $ 60,589.00| / -
Wehrli 01-04 Chevrolet Duramax LB7 4in Intake Kit
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 9,558.00$ 9,558.00 - $ 9,558.00Current price $ 9,558.00| /Wehrli Model WCF100190 WCFab 2001-2004 GM LB7 6.6L Duramax 4" Intake Kit with Air Box. This high flow, fabricated aluminum intake pipe and air box ...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 9,558.00$ 9,558.00 - $ 9,558.00Current price $ 9,558.00| / -
Wehrli 01-04 Chevrolet Duramax LB7 S300/S400 Single Turbo 3in Y-Bridge Kit
WehrliOriginal price $ 11,643.00Original price $ 11,643.00 - Original price $ 11,643.00Original price $ 11,643.00Current price $ 10,329.00$ 10,329.00 - $ 10,329.00Current price $ 10,329.00| /Wehrli Model WCF100615***BRIDGE ASSEMBLY ONLY***3" High Flow Y-Bridge for custom build racing applications only. Bolts to OEM intake runners. 3" Be...
View full detailsOriginal price $ 11,643.00Original price $ 11,643.00 - Original price $ 11,643.00Original price $ 11,643.00Current price $ 10,329.00$ 10,329.00 - $ 10,329.00Current price $ 10,329.00| /Save 11% Save % -
Wehrli 01-04 Chevrolet LB7 Duramax High Flow Intake Bundle Kit Stage 1
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 20,676.00$ 20,676.00 - $ 20,676.00Current price $ 20,676.00| /Wehrli Model WCF100411 Already have an air intake and turbo down pipe that you're happy with, but looking to improve your LB7's performance and eff...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 20,676.00$ 20,676.00 - $ 20,676.00Current price $ 20,676.00| / -
Wehrli 01-04 Duramax LB7 4in Intake Kit with Air Box Stage 2
WehrliOriginal price $ 12,095.00Original price $ 12,095.00 - Original price $ 12,095.00Original price $ 12,095.00Current price $ 11,206.00$ 11,206.00 - $ 11,206.00Current price $ 11,206.00| /Wehrli Model WCF100300 This high flow, fabricated aluminum intake pipe and air box enclosure with dry filter assembly replaces the restrictive pla...
View full detailsOriginal price $ 12,095.00Original price $ 12,095.00 - Original price $ 12,095.00Original price $ 12,095.00Current price $ 11,206.00$ 11,206.00 - $ 11,206.00Current price $ 11,206.00| /Save 7% Save % -
Wehrli 01-04 Duramax LB7 Stage 2 High Flow Bundle Intake Bundle Kit
WehrliOriginal price $ 33,537.00Original price $ 33,537.00 - Original price $ 33,537.00Original price $ 33,537.00Current price $ 32,541.00$ 32,541.00 - $ 32,541.00Current price $ 32,541.00| /Wehrli Model WCF100435 WCFab 2001-2004 GM LB7 6.6L Duramax Stage 2 High Flow Intake Bundle Kit Stage 2 upgrade for the 2001-2004 LB7 Duramax combin...
View full detailsOriginal price $ 33,537.00Original price $ 33,537.00 - Original price $ 33,537.00Original price $ 33,537.00Current price $ 32,541.00$ 32,541.00 - $ 32,541.00Current price $ 32,541.00| /Save 3% Save % -
Wehrli 01-04 LB7 Duramax MAP Sensor Aluminum Weld Bung
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 527.00$ 527.00 - $ 527.00Current price $ 527.00| /Wehrli Model WCF205-35Wehrli 01-04 LB7 Duramax MAP Sensor Aluminum Weld Bung
Original price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 527.00$ 527.00 - $ 527.00Current price $ 527.00| / -
Wehrli 01-04.5 Chevrolet 6.6L LB7 Duramax S400 Turbo Install Kit (No Turbo)
WehrliOriginal price $ 57,783.00 - Original price $ 57,783.00Original price$ 57,783.00$ 57,783.00 - $ 57,783.00Current price $ 57,783.00| /Wehrli Model WCF100489 This kit will allow you to install an S400-based Turbo on your LB7 Duramax. Replacing all OEM plumbing and y-bridge with hig...
View full detailsOriginal price $ 57,783.00 - Original price $ 57,783.00Original price$ 57,783.00$ 57,783.00 - $ 57,783.00Current price $ 57,783.00| / -
Wehrli 01-05 Chevrolet 6.6L LB7/LLY Duramax Upper Coolant Pipe
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 2,613.00$ 2,613.00 - $ 2,613.00Current price $ 2,613.00| /Wehrli Model WCF100860 Aluminum Upper Coolant Pipe for LB7/LLY Duramax replaces the OEM rubber upper coolant hose and comes powder coated color of ...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 2,613.00$ 2,613.00 - $ 2,613.00Current price $ 2,613.00| / -
Wehrli 01-05 Duramax LB7/LLY Thermostat Housing Kit
WehrliOriginal price $ 9,474.00Original price $ 9,474.00 - Original price $ 9,474.00Original price $ 9,474.00Current price $ 8,576.00$ 8,576.00 - $ 8,576.00Current price $ 8,576.00| /Wehrli Model WCF100405 The Top Outlet Billet Thermostat Housing and Upper Coolant Pipe Kit for 2001-2005 LB7/LLY Duramax replaces the OEM upper rad...
View full detailsOriginal price $ 9,474.00Original price $ 9,474.00 - Original price $ 9,474.00Original price $ 9,474.00Current price $ 8,576.00$ 8,576.00 - $ 8,576.00Current price $ 8,576.00| /Save 9% Save % -
Wehrli 01-06 Chevrolet 6.6L LB7/LLY/LBZ Duramax Twin Turbo Style Coolant Tank Kit
WehrliOriginal price $ 7,503.00 - Original price $ 7,503.00Original price $ 7,503.00$ 7,524.00$ 7,524.00 - $ 7,524.00Current price $ 7,524.00| /Wehrli Model WCF100642LB7, LLY, LBZ Duramax Fabricated Aluminum Coolant Tank Kit for Twin Turbo Applications mounts on passenger side fender. Does ...
View full detailsOriginal price $ 7,503.00 - Original price $ 7,503.00Original price $ 7,503.00$ 7,524.00$ 7,524.00 - $ 7,524.00Current price $ 7,524.00| / -
Wehrli 01-07 Chevrolet 6.6L LB7/LLY/LBZ Duramax OEM Placement Coolant Tank Kit
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 8,576.00$ 8,576.00 - $ 8,576.00Current price $ 8,576.00| /Wehrli Model WCF100645 2001-2007 Duramax Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. Dress up your engine bay by re...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 8,576.00$ 8,576.00 - $ 8,576.00Current price $ 8,576.00| / -
Wehrli 01-10 Chevrolet 6.6L Duramax FASS Fuel System Relocation Bracket (Crew Cab Only)
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 1,789.00$ 1,789.00 - $ 1,789.00Current price $ 1,789.00| /Wehrli Model WCF100265Wehrli 01-10 Chevrolet 6.6L Duramax FASS Fuel System Relocation Bracket (Crew Cab Only) -Mount Bracket-Grade 8 Hardware-Zinc ...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 1,789.00$ 1,789.00 - $ 1,789.00Current price $ 1,789.00| / -
Wehrli 01-10 Chevrolet 6.6L Duramax Traction Bar Install Kit
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 4,998.00$ 4,998.00 - $ 4,998.00Current price $ 4,998.00| /Wehrli Model WCF100840 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 to th...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 4,998.00$ 4,998.00 - $ 4,998.00Current price $ 4,998.00| / -
Wehrli 01-10 Chevrolet 6.6L Duramax Traction Bar Install Kit
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 17,519.00$ 17,519.00 - $ 17,519.00Current price $ 17,519.00| /Wehrli Model WCF100850 ***This kit includes 60" long bars for Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models*** ***This...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 17,519.00$ 17,519.00 - $ 17,519.00Current price $ 17,519.00| / -
Wehrli 01-10 Chevrolet 6.6L Duramax Valley CP3 Block Off Plate
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 1,316.00$ 1,316.00 - $ 1,316.00Current price $ 1,316.00| /Wehrli Model WCF100024Billet Block Off plate for valley CP3 pump. Black anodized finish with engraved logo.
Original price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 1,316.00$ 1,316.00 - $ 1,316.00Current price $ 1,316.00| / -
Wehrli 01-10 GM Lower Splash Shield Kit
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 5,244.00$ 5,244.00 - $ 5,244.00Current price $ 5,244.00| /Wehrli Model WCF100463 The WCFab Splash Shield Kit for 2001-2010 Chevrolet Silverado 2500/3500 HD and GMC Sierra/Denali 2500/3500 HD trucks replace...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 5,244.00$ 5,244.00 - $ 5,244.00Current price $ 5,244.00| / -
Wehrli 01-16 Chevrolet 6.6L Duramax 2in Stainless Driver Side Up Pipe w/Gaskets (Single/Twin Turbo)
WehrliOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 6,051.00$ 6,051.00 - $ 6,051.00Current price $ 6,051.00| /Wehrli Model WCF100652Wehrli 01-16 Chevrolet 6.6L Duramax 2in Stainless Driver Side Up Pipe w/Gaskets (Single/Twin Turbo) Replace the lightweight 1...
View full detailsOriginal price $ 0.00 - Original price $ 0.00Original price $ 0.00$ 6,051.00$ 6,051.00 - $ 6,051.00Current price $ 6,051.00| /