PLM 3" Composite Velocity Stack & Filter Kit PLM-FILTER-VEL-STACK is made to fit pipe 3" (76mm) or 3.5" (89mm) hose.

Key Features:

• Hose connection size is 3" (76mm) or 3.5" (89mm)
• Velocity Stack opening is approx. 6" (152mm)
• Measurements in OD.
• Universal Application.
• Attach to your air box, intake pipe, turbo, and many others.
• Velocity Stack is proven to work!
• Fits Many Honda & Acura car models, as well as others!

Includes: 

• Air filter
• Velocity stack
• Silicone hose
• 3 x hose clamps