Spectre's Intake Coupler Reducer is designed to connect any 4 inch outside diameter component or air intake tube with a 3 1/2 inch outside diameter component or intake tube. This intake coupler is available in both red and b...

Buy Now From Amazon

Product Review

Spectre's Intake Coupler Reducer is designed to connect any 4 inch outside diameter component or air intake tube with a 3 1/2 inch outside diameter component or intake tube. This intake coupler is available in both red and black PVC and comes complete with 2 stainless steel worm gear hose clamps. This product is not recommended for turbo-charged/super-charged engines.

Similar Products

Spectre Performance 9781 Black 4" 90 Degree BootSpectre Performance 9719 6" Straight Aluminum Intake TubeSpectre Performance 9571 Black 3.5" x 2" long CouplerSpectre Performance 97990 4" 90° Aluminum Elbow with 7" LegSpectre Performance 9761 Black 4" x 3" Intake CouplerICT Billet LS Heater Core Bypass Hose Coolant Crossover LS1 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG LS3 L98 L9H L20 L94 LZ1 L99 L96 LC8 L77 551699ICT Billet Radiator Hose Barb Coupler with 1/8" NPT Port 1-1/4" Steam Tube Adapter for LS Swap Steam/Coolant Crossover Splice Made in the USA Billet Aluminum AN627-20X125Spectre Performance 8132 Universal Clamp-On Air Filter: Round Tapered; 3 in/3.5 in/4 in (102 mm/89 mm/76 mm) Flange ID; 6.719 in (171 mm) Height; 6 in (152 mm) Base; 4.75 in (121 mm) TopSpectre Performance 9148 4" Intake Duct Mounting PlateRussell 640940 -6 AN Male to 3/8" SAE Quick-Disconnect Male Push-On EFI Fitting