eBay Auctions - Name your price! eBay auction! 88 -08 Chevy Monte Carlo save fuel saver hp Chip Module $28.00 eBay auction! Chevy Impala/Monte Carlo NL Performance Chip/Module $94.95 eBay auction! Chevy Impala/Monte Carlo NL Performance Chip/Module $59.95 eBay auction! Chevy Impala/Monte Carlo NL Performance Chip/Module $134.95 1