Hybrid Racing RSX 02-06 / 01-05 Civic Cold Air Intake SystemThe intake requires a 70mm or larger throttle body and the RBC RRC style intake manifolds. Fitment or compatibility with an OEM PRB intake is not guaranteed. Slight trimming of the LH inner fender lining is required and the removal or relocation of the OEM windshield washer bottle is needed. Alterations to cars running OEM Type R brake cooling ducts may be necessary. The included radiator hose fits the K20A A2 A3 Z1 water neck. It may not fit the