ITRCA

it is a 2000 yellow type r....with 43,000 miles and i use the mobile 1 tri-synthetic...... the only mods i have thus far is an AEM CAI and an exedy stage 1 clutch.....does that help..? and yes i am still under warranty

i have an ass of black smoke coming from the exhaust when i get into high rpms.....is this a bad thing.....and what could the problem be......i don't think im burning up oil.....any suggestions/answers would be greatly appreciated!!!!!!!