DTH THY-326-C Shortie Headers Universal wCenter Dump- Ceramic Coated Vehicle Type: Car Fitment: /GMC//Exit: Dual; Primary/Collector: 1.75in, 2.5in; Universal Block Hugger Header (Ls Series Motors), Straight Down Exit- Off-Road/Race Use Only; Not Legal In CA On Pollution Controlled Cars; Header Dont Come w/Connector/Y-Pipe Assembly (Prof Install Req)/4.8L-6.2L NO LS7::(pre-1976)