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aFe Magnum FORCE CAI Univ. Silicone Coupling Kit (4in to 3.8in ID / 2in L) Reducer Coupler - Black
$53.99
The high temperature injection molded silicone reducer coupler is designed to connect to a (4" x 3-3/4") OD tube and is 2" long. Standard stainless steel worm-gear #060 & #064 clamps provides tight connections, durability...