egr doesnt effect crap from what ive seen other then throwing codes...i pulled it off the camaro last night because eric plugged the hole in the intake but not to the exhaust...but he did remove the egr unit itself...starts & idles fine without all that...also keep in mind 98-00 ls1 fbodies had egr but yet 97+ vettes & 01-02 ls1 fbodies didnt...imo and from what i can gather egr isnt a very important piece...normally I would just say remove the egr and get the codes deleted for it thats all im doing with mine.
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