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Full-Race now carries 3″ -> 4″ silicone transition couplers. This coupler is constructed from high-quality 2 ply fiberglass reinforced silicone with a .110″ wall thickness.
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4.0″ Silicone Coupler
2.0″ -> 2.25″ Silicone Transition Coupler
2.75″ T-Bolt Clamp
2.0″ -> 2.5″ 90 Degree Silicone Couplers
2.5″ Silicone Hump Hose
2.5″ -> 3″ Silicone Coupler
3.0″ -> 4″ Silicone Transition Coupler
2.5″ 45 Degree Coupler Extra Long
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