Wehrli Stage 2 High Flow Bundle Kit - WCFab Grey — Fits 2006-2007 GM 6.6L Duramax LBZ

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SKU: WCFWCF100437-GRY
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Wehrli

Wehrli engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wehrli lineup with fast shipping and expert fitment support — order with confidence.

Wehrli Stage 2 High Flow Bundle Kit - WCFab Grey

Maximize the performance of your 2006-2007 GM 6.6L Duramax LBZ engine with the Wehrli Stage 2 High Flow Bundle Kit. This comprehensive kit is engineered to significantly enhance air intake efficiency, resulting in noticeable improvements in horsepower and torque. The distinctive WCFab Grey finish adds a custom, performance-oriented look to your engine bay.

Performance Advantages:

  • Optimized Airflow: Designed to reduce intake restriction, allowing for more air to reach the engine for increased power.
  • Stage 2 Performance: Ideal for tuned engines and those seeking substantial performance gains.
  • Durable Construction: Built with high-quality components to ensure longevity and reliability under demanding conditions.
  • Unique Finish: The WCFab Grey powder coating provides a durable and visually appealing upgrade.
  • Precise Fitment: Engineered for a direct fit on 2006-2007 Chevrolet Silverado/GMC Sierra 2500HD/3500 models with the 6.6L Duramax LBZ engine.

This bundle kit is the perfect choice for LBZ Duramax owners looking to unlock their engine's potential. Expect improved throttle response, greater power delivery, and a more aggressive engine sound. The straightforward installation process ensures you can quickly enjoy the benefits of this performance upgrade.

Vehicle Compatibility:

  • 2006-2007 Chevrolet Silverado 2500 HD / 3500
  • 2006-2007 GMC Sierra 2500 HD / 3500

Achieve superior performance with the Wehrli Stage 2 High Flow Bundle Kit in WCFab Grey, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006 Chevrolet Silverado 2500 HD LS
2006 Chevrolet Silverado 2500 HD LT
2006 Chevrolet Silverado 2500 HD WT
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic LT
2007 Chevrolet Silverado 2500 HD Classic WT
2006 Chevrolet Silverado 3500 LT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2006 GMC Sierra 2500 HD SL
2006 GMC Sierra 2500 HD SLE
2006 GMC Sierra 2500 HD WT
2007 GMC Sierra 2500 HD Classic SL
2007 GMC Sierra 2500 HD Classic SLE
2007 GMC Sierra 2500 HD Classic SLT
2007 GMC Sierra 2500 HD Classic WT
2006 GMC Sierra 3500 SL
2006 GMC Sierra 3500 SLE
2006 GMC Sierra 3500 SLT
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic SLT
2007 GMC Sierra 3500 Classic WT

Product Details

Product Description
Part Numbers
Sizing & Fit

About Wehrli

Wehrli engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wehrli lineup with fast shipping and expert fitment support — order with confidence.

Wehrli Stage 2 High Flow Bundle Kit - WCFab Grey

Maximize the performance of your 2006-2007 GM 6.6L Duramax LBZ engine with the Wehrli Stage 2 High Flow Bundle Kit. This comprehensive kit is engineered to significantly enhance air intake efficiency, resulting in noticeable improvements in horsepower and torque. The distinctive WCFab Grey finish adds a custom, performance-oriented look to your engine bay.

Performance Advantages:

  • Optimized Airflow: Designed to reduce intake restriction, allowing for more air to reach the engine for increased power.
  • Stage 2 Performance: Ideal for tuned engines and those seeking substantial performance gains.
  • Durable Construction: Built with high-quality components to ensure longevity and reliability under demanding conditions.
  • Unique Finish: The WCFab Grey powder coating provides a durable and visually appealing upgrade.
  • Precise Fitment: Engineered for a direct fit on 2006-2007 Chevrolet Silverado/GMC Sierra 2500HD/3500 models with the 6.6L Duramax LBZ engine.

This bundle kit is the perfect choice for LBZ Duramax owners looking to unlock their engine's potential. Expect improved throttle response, greater power delivery, and a more aggressive engine sound. The straightforward installation process ensures you can quickly enjoy the benefits of this performance upgrade.

Vehicle Compatibility:

  • 2006-2007 Chevrolet Silverado 2500 HD / 3500
  • 2006-2007 GMC Sierra 2500 HD / 3500

Achieve superior performance with the Wehrli Stage 2 High Flow Bundle Kit in WCFab Grey, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006 Chevrolet Silverado 2500 HD LS
2006 Chevrolet Silverado 2500 HD LT
2006 Chevrolet Silverado 2500 HD WT
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic LT
2007 Chevrolet Silverado 2500 HD Classic WT
2006 Chevrolet Silverado 3500 LT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2006 GMC Sierra 2500 HD SL
2006 GMC Sierra 2500 HD SLE
2006 GMC Sierra 2500 HD WT
2007 GMC Sierra 2500 HD Classic SL
2007 GMC Sierra 2500 HD Classic SLE
2007 GMC Sierra 2500 HD Classic SLT
2007 GMC Sierra 2500 HD Classic WT
2006 GMC Sierra 3500 SL
2006 GMC Sierra 3500 SLE
2006 GMC Sierra 3500 SLT
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic SLT
2007 GMC Sierra 3500 Classic WT

Product Details

Product Description

About Wehrli

Wehrli engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Wehrli lineup with fast shipping and expert fitment support — order with confidence.

Wehrli Stage 2 High Flow Bundle Kit - WCFab Grey

Maximize the performance of your 2006-2007 GM 6.6L Duramax LBZ engine with the Wehrli Stage 2 High Flow Bundle Kit. This comprehensive kit is engineered to significantly enhance air intake efficiency, resulting in noticeable improvements in horsepower and torque. The distinctive WCFab Grey finish adds a custom, performance-oriented look to your engine bay.

Performance Advantages:

  • Optimized Airflow: Designed to reduce intake restriction, allowing for more air to reach the engine for increased power.
  • Stage 2 Performance: Ideal for tuned engines and those seeking substantial performance gains.
  • Durable Construction: Built with high-quality components to ensure longevity and reliability under demanding conditions.
  • Unique Finish: The WCFab Grey powder coating provides a durable and visually appealing upgrade.
  • Precise Fitment: Engineered for a direct fit on 2006-2007 Chevrolet Silverado/GMC Sierra 2500HD/3500 models with the 6.6L Duramax LBZ engine.

This bundle kit is the perfect choice for LBZ Duramax owners looking to unlock their engine's potential. Expect improved throttle response, greater power delivery, and a more aggressive engine sound. The straightforward installation process ensures you can quickly enjoy the benefits of this performance upgrade.

Vehicle Compatibility:

  • 2006-2007 Chevrolet Silverado 2500 HD / 3500
  • 2006-2007 GMC Sierra 2500 HD / 3500

Achieve superior performance with the Wehrli Stage 2 High Flow Bundle Kit in WCFab Grey, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006 Chevrolet Silverado 2500 HD LS
2006 Chevrolet Silverado 2500 HD LT
2006 Chevrolet Silverado 2500 HD WT
2007 Chevrolet Silverado 2500 HD Classic LS
2007 Chevrolet Silverado 2500 HD Classic LT
2007 Chevrolet Silverado 2500 HD Classic WT
2006 Chevrolet Silverado 3500 LT
2006 Chevrolet Silverado 3500 WT
2007 Chevrolet Silverado 3500 Classic LS
2007 Chevrolet Silverado 3500 Classic LT
2007 Chevrolet Silverado 3500 Classic WT
2006 GMC Sierra 2500 HD SL
2006 GMC Sierra 2500 HD SLE
2006 GMC Sierra 2500 HD WT
2007 GMC Sierra 2500 HD Classic SL
2007 GMC Sierra 2500 HD Classic SLE
2007 GMC Sierra 2500 HD Classic SLT
2007 GMC Sierra 2500 HD Classic WT
2006 GMC Sierra 3500 SL
2006 GMC Sierra 3500 SLE
2006 GMC Sierra 3500 SLT
2007 GMC Sierra 3500 Classic SL
2007 GMC Sierra 3500 Classic SLE
2007 GMC Sierra 3500 Classic SLT
2007 GMC Sierra 3500 Classic WT

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