they are geniuses over at hiboost thats there drag car and mazda3's are great proof is they are running all stock engine except pistons and rods stock block on 20 psi try that with your stock civic block

Monzsta

February 02, 2007

It's mostly stock. After much punishment, they hadn't broken the stock engine, but decided to upgrade it at the 350 hp mark with forged rods and pistons. Stock heads crank, block, intake manifold and cams.