High flow K&N brand performance air filter for standard HS4/HIF "Doughnut" airboxes. To maximize performance, we recommend fitting one of our 3D printed airbox snorkels to pick up air further from the exhaust manifold.
Air Filter - HS4/HIF (Performance)
SKU: E2601
$59.99 Regular Price
$44.99Sale Price
Fits:
Minis w/ HS4/HIF38/HIF44.
