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civic engine upgrade

  1. Inexpensive upgrades to my civic, any suggestions?

    General Tech
    To start, I have 1998 Honda civic si. The only aftermarket parts on the car is the rims, tires,lowering springs, muffler, and sound system. The engine (D16Y8) is completely stock. I'm looking to start upgrading my engine and I'm not sure where to start. I don't have alot of money to spend, but...