2.5" to 3" Straight Silicone Coupler

Full Race 2.5" x 3.0" silicone transition couplers feature a smooth step transition from 2.5" charge pipes (or 2.5" turbos) to a 3.0" throttle body. Constructed from 3 ply silicone with a .110 wall thickness, they are extremely durable and withstand blowing-off or tearing due to engine movement and heat expansion.