Spectre s air filter inlet adapters and velocity stacks allow you to attach a larger 6 inch inside diameter cone air filter on a smaller tube. Spectre velocity stacks also have a smooth funnel shaped inlet that reduces restriction.

Spectre's air filter inlet adapters and velocity stacks are designed to allow you to attach a larger 6 inch diameter flange air filter onto a smaller diameter air intake tube. The velocity stacks are available with different neck sizes, to match 2.5 inch to 4.5 inch tubes. In addition, Spectre velocity stacks also have a smooth funnel shaped inlet that reduces restriction and turbulence of incoming air.

• Adapts A 6 In. Air Filter To Smaller Tube
• Velocity Stack Has Smooth Funnel Shaped Inlet To Help Air Flow
• Designed To Be Durable And Last

Attachment Method:	Boot-In
Base Inside Diameter:	3.750 in. (95mm)
Finish:	Black
Flange Inside Diameter:	4.000 in. (102mm)
Flange Length:	0.906 in. (23mm)
Item Height:	1.906 in. (48mm)
Item Weight:	0.600 lbs. (0.3 kg)
Material:	Plastic
Outside Diameter:	6.000 in. (152mm)
Overall Height:	1.906 in. (48mm)
Package Material:	Paperboard
Package Quantity:	1
Package Type:	Box
Prop 65 (C, R or CR):	CR
Prop 65 Warning Label:	https://www.knfilters.com/images/l/prop65.jpg
Title:	Spectre SPE-9605 Air Filter Inlet Adapter/ Velocity Stack
WARNING CA Proposition 65:	Yes
WARNING CA Proposition 65 Message:	WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov