aFe Magnum FORCE 4-3/8in to 4-1/8in ID Straight Reducing Coupler | (59-00012) YMM_1994_2004_Ford_Mustang_IV_SN95 while the anodized coating enhances

while the anodized coating enhances corrosion resistance

contributing to consistent performance and driver confidence

Designed to reduce deflection and improve steering response during aggressive driving

Whether you're upgrading your vehicle's fuel delivery or cooling system

reducing unwanted movement and deflection

aFe Magnum FORCE 4-3/8in to 4-1/8in ID Straight Reducing Coupler | (59-00012) YMM_1994_2004_Ford_Mustang_IV_SN95 while the anodized coating enhancesMagnum Force Intake Reducer Coupling Kit (59 00012) by aFe. Designed to meet modern elevated engine compartment temperatures with a reaction injection molded (RIM) polyurethane configuration. Standard stainless steel worm gear clamps provides tight connections, durability and is corrosion resistance for industrial, commercial, truck, off road and racing applications. aFe (Advanced Flow Engineering, Inc.) manufactures performance products for late