ok...well im gettin gthe vqpower turbo and performance piston pulleys and cams and as many things that i can find for under 9 grand...so i was wonderin if i was to get the custom b pipe and a y pipe, if i would have a decrease in horepower at all becuase of the back pressure...?thanx sorry for the noob question

 

You mean because of more or less back pressure? Backpressure is always bad. Read the faqs, there's a good writeup on back pressure in there.