AFE: Magnum FORCE Performance Accessories Coupling Kit: (3-1/2" x 4")ID x 3-1/2"L Bellows (Silicone) 3.900 SKU 90-250-30-16-304SS Unit Pair Weight

SKU 90-250-30-16-304SS Unit Pair Weight 3 lbs

0″ stainless steel 304L – 16 guage

The X750 package is the perfect intro package when you're ready to modify the boost in your car and free up some airflow

No drilling

This engineered coupling upgrade increases air flow and velocity by controlling the air intake dynamics

AFE: Magnum FORCE Performance Accessories Coupling Kit: (3-1/2" x 4")ID x 3-1/2"L Bellows (Silicone) 3.900 SKU 90-250-30-16-304SS Unit Pair WeightDETAILS: 4 & 3 1 2 ID, 3 1 2 Length 100% Silicone Construction for Long Lasting Durability Commonly Used on aFe POWER Intakes Allows for Expansion, Movement, and Vibration Includes Two Stainless Steel Clamps 4 to 3 1 2 Reducer: This 3 1 2 long coupling is designed to connect to tubes with a 4 and 3 1 2 diameter. Its commonly used on aFe POWER cold air intake systems, but can be used for a variety of projects. Flexible Bellows Silicone: Its bellows