Description
3.5″ to 4″ Silicone Transition Coupler
Full Race 3.5″ x 4″ Silicone straight couplers are perfect for use in the turbo intake on Precision Turbos, BorgWarner EFR 8474, 9280, S300 SX-E and all Garrett G Series and GTX turbos. Constructed from 4 ply silicone with a .110 wall thickness, they are extremely durable and withstand blowing-off or tearing due to engine movement and heat expansion
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