afe Magnum FORCE Intake Coupling Kit (4-1/3 IN ID to 3-1/2 IN ID x 2-3/4 IN L) Black Straight Coupler - Universal Radio Its durable build ensures that

Its durable build ensures that it remains in pristine condition

torque and outflows the factory intake by 20%

sandblasted and coated

ethanol and methanol compatible

afe Magnum FORCE Intake Coupling Kit (4-1/3 IN ID to 3-1/2 IN ID x 2-3/4 IN L) Black Straight Coupler - Universal Radio Its durable build ensures that4 3 8 IN to 3 1 2 IN; Reducer: This 2 3 4 IN long coupling is designed to connect to tubes with a 3 1 2 IN and 4 3 8 IN diameter. It's commonly used on aFe POWER cold air intake systems, but can be used for a variety of projects. Silicone Construction: Its silicone construction features three layers of polyester reinforcement, making it less prone to deformation, tearing, and other damage, than average couplings. Its extreme durability makes it