Spectre Performance (9551) 3.5" x 3.25" PVC Reducer

Spectre Performance 9571 Black 3.5" x 2" long Coupler

Spectre Performance 9741 Black 4" x 3.5" Intake Coupler

Upgr8 Universal 4-Ply High Performance Straight Coupler Silicone Hose 76mm Length (3.5"(89MM), Black)

Spectre Performance 9549 3.5" 45° Aluminum Elbow

K&N Universal Clamp-On Engine Air Filter: Washable: Round Tapered; 3 in/3.5 in/4 in (102 mm/89 mm/76 mm) Flange ID; 5.5 in (140 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, Red , RG-1001RD

dragy 10Hz GPS Based Performance Meter

3.5" ID Straight Silicone Hose Coupler, High Temp 4-Ply Reinforced (Qty 1) - 131-08903-0401 - Ticon Industries

Spectre Performance 9771 Black 4" Intake Coupler

Spectre Performance 9732 Universal Clamp-On Air Filter: Round Tapered; 3 in/3.5 in/4 in (102 mm/89 mm/76 mm) Flange ID; 8.75 in (222 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top

K&N Universal Clamp-On Engine Air Filter: Washable: Round Tapered; 3 in/3.5 in/4 in (102 mm/89 mm/76 mm) Flange ID; 5.5 in (140 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) Top, Blue , RG-1001BL