2004.5-2005 LLY Duramax Stage 2 4" Intake Kit w/ Airbox (WCF100301)

Fits

Replace the restrictive factory intake with Wehrli's fabricated aluminum intake & air box enclosure. With smooth mandrel bends and larger diameter piping; this kit improves horsepower, torque, quicker throttle response, and cooler intake temperatures, significantly improving overall diesel engine performance.

Part Number:  WCF100301

• 4" Intake Pipe
  
• 14g Aluminum Construction
  
• Air Box with Lid
  
• Dry Air Filter
  
• Outerwear's Pre-Filter Cover
  
• Includes Installation Hardware
  
• 4.8" Inlet Aluminum Intake Horn
  
• Largest Intake Horn on the market
  
• CNC Machined Cast Aluminum Construction
  
• Includes PCV Port
  
• Eliminates Resonator Connection
  
• Silicone Reducer Boot
  
• Stainless Steel T-Bolt Clamps
  
• O-Ring Seal
  
• Custom Powder Coat Finish
  
• Installs Easily with Basic Hand tools
  
• Made in USA

• This product is not on order estimated average lead time is 10-15+ business days