Proprietary Halltech throttle body hump-hose with molded-in PCV fitting connection. ID on intake side is approx 4". ID on t/b side is approx 3.75" Includes two stainless steel hose clamps. PCV fitting available during checkout, if needed. Make sure to request the added notch if you need it for our C6 Venom V2026 (05-07 LS2) System
