Pacesetter 70-2269 1-7/8" Long Tube Header (Non-CARB Compliant) 3" Slip-Fit Collector; This item is not for sale in California/Non CARB compliant Port-matched CNC Machined 3/8" thick flanges Primaries are sequenced into the collector for the best scavenging One-piece design for easier installation Necessary gaskets and fasteners are included