Camaro Firebird 82-92 LS1 Conversion 1-3/4" Long Tube Headers, these are a Hawks Third Generation Exclusive. Produced by Stainless Works exclusively for Hawks Third Generation for 100% Quality & Fitment. These headers have been designed on a 87 IROC with an LS1 using our motor mounts, transmission crossmember and lowered with an Eibach Sportline kit. The headers do not have EGR port. However, when using Spohn Transmission crossmembers you will have to modify crossmember some. ***Note All Headers Ordered with 3in collectors will need to have a custom y-pipe made, we do not offer them due to ground clerance issues. ALSO, GASKETS & INSTALLATION BOLTS ARE SOLD SEPERATELY. Shipping is not included. Call or email for shipping quote. Please check all state emissions laws before purchasing.