Spectre Air Filter Inlet Adapter / Velocity Stack (Short) 4in. Suspension>Camber Kits Fragola -3AN x 10 x

Fragola -3AN x 10 x 1

HKS RS VAB VAF WRX STI EJ257

EFI or Carbureted

or you just want to increase the cosmetics of your inner fender well

Spectre Air Filter Inlet Adapter / Velocity Stack (Short) 4in. Suspension>Camber Kits Fragola -3AN x 10 xSpectre'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.