Hey guys. Im building my ej9 with a d14a4. 1st Ill do a d16Y8 4-2-1 headders, K&N airfiltermatt and a full exhaust systhem. In the future Ill might do cams, lift the redline or maybe do a minime. Goal is to get somewhere over 105bhp at around 7000 rpm without spending too much money. Unfortunatl...