I'm also looking for headers for this same application. Per my own reasearch edelbrock tes headers for 92 camaro/firebired look to be your best bet. They still req. removeing the dr side air rail & may have to relocate the 02 senser port! Test fit these headers before any modifiction!! (These are expensive and you will want to retun them if they don't work). Otherwise port & polish the stock manifolds and have a exhaust shop make a new crosspipe with larger dia. tube! while your at it add a high flow cat back dual exhaust with flowmasters. Either way this a big$$$$ mod. but definatly worth it.
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