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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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2.5″ 45 Degree Coupler Extra Long
4.0″ Silicone Coupler
2.75″ 90 Degree Silicone Coupler
3.5″ T-Bolt Clamp
2.5″ -> 2.75″ Silicone Coupler
2.5″ Straight Silicone Coupler
4.0″ T-Bolt Clamp
2″ – > 2.5″ 45 Degree Silicone Coupler
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