45 Degree Air Intake Tube, 4 in. Diameter, 5 in. Bend Radius, Aluminum | Summit Racing SUM-294549

VIVOSUN 4 Inch Air Carbon Filter Smellines Control With Australia Virgin Charcoal For Inline Duct Fan, Grow Tent, Pre-Filter Included, Reversible

HVAC OV 4 Inch Filter Box - Inline Duct Filter For Round Duct - Galvanized Steel Air Filter With EPDM Rubber Seal Gaskets - Intake Filter Ventilation

Hon&Guan 4" Air Filtration Kit: 4 Inch Inline Duct Fan With Speed Controller, 10" High Carbon Filter, 8 ft Ducting & Rubber Coupler, Ventilation

Spectre Performance 4" Diameter Aluminum Intake Tube, 6" Length, Straight, SPE-9719

4 Inch Diameter, 180 Degree Y-Union Spectre Performance Aluminum Air Intake Pipe / Tube - Universal | Spectre 97998

PHILTOP Universal Clamp-On Air Intake Filter, Replacement Air Filter: High Flow Air Filter 4-Inch Round Tapered Air Intake Filter - Washable, High

Endxedo 4" Inches Performance Cold Air Intake Kit With Filter & Powder Coated Intake Tube Pipe Compatible With 99-06 GMC Chevy 1999 2000 2001 2002

MOOSUN 4" Inches Performance Cold Air Intake Kit With Filter & Powder Coated Intake Tube Pipe For 99-06 GMC Chevy 1999 2000 2001 2002 2003 2004 2005

RYANSTAR 102mm 4" High Flow Round Tapered Cone Cool Air Filter Cleaner With Top Filter Design Short 231mm Tall Black

K&N Universal Performance Air Filters, Universal, Filtercharger, Conical, Cotton Gauze, 4 in. Diameter Inlet | RE-0870

K&N High-Flow Original Lifetime Universal Clamp-On Air Filter: Performance, Premium, Washable: Flange Diameter: 4 In, Filter Height: 6.313 In, Flange