BC Racing ER Series Coilovers for 2003-2005 Honda Civic Si FWD (EP3)BC Racing ER Series Coilovers for the 2003 2005 Honda Civic Si (EP3) put race grade adjustability in reach of the serious track day driver, with independent compression and rebound tuning at every corner. Every kit is extensively tested on the Civic Si EP3 chassis and refined until it balances ride quality with performance the reason Civic Si coilovers from BC Racing are the best selling adjustable kits in their segment worldwide. ER Series kits run a