http://cgi.ebay.com/ebaymotors/ws/eb...366046&r=0&t=0

 

uh. since when did integras have EGR valves?

 

90-91 B18A's have EGR valves.

 

Gain 5-15hp for only $10!! If you believe that give yourself a

 

somebody actually bought it

 

You might wanna double check on that. What header or exhaust manifold have you seen on an old 90-91' RS/LS/GS that utilizes Exhaust Gas Recirculation?
EGR recycles small amount of exhaust gases into the combustion chamber to reduce emissions.