84-87 Toyota AE86 Corolla GTS 2pcs Stainless Steel Exhaust Header Replace stock restrictive headers and increase horsepower and torque. Great for DIY project as well Headers Runner Size: 1-1/2", outlet size: 2", Flange Thickness: 12mm Remark: This header is NOT a direct bolt-on. Similar to most of the aftermkaret headers, the EGR valve on this header is slightly off and minor modification might be required to make it fit perfectly. We recommend to take it to the shop to get it professionally installed. Vehicle Application: Toyota 1984 1985 1986 1987 Corolla (AE86) 1.6L DOHC GTS Motor-4AGE Motor & 4A-G 16v Blocks (4AGEC, 4AGELC)