rfcbuf Posted December 16, 2003 Share Posted December 16, 2003 I have a '98 GS 400 and wonder if chip can be installed and what can I expect from performance and gas mileage if a performance chip is installed. Quote Link to comment Share on other sites More sharing options...
Lex_Chick _GsBGizzle Posted December 30, 2003 Share Posted December 30, 2003 Hey i got a '98 300 and interested in the same thing. Have you got a good site? I know of one with the stage superchargers: www.tdi-plc.com. Thanks Quote Link to comment Share on other sites More sharing options...
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