IF I GO WITH THE LONG TUBES WILL THIS AFFECT MY LOW END TO BAD AND HURT PERFORMANCE? SOMEONE SAID THAT IF i HAVE A STALL THIS WILL TAKE CARE OF THE PROBLEM. IS THIS TRUE? ALSO HOW MUCH GAIN IS EXPECTED FROM THE LONG TUBES ( hp/tq) ARE THEY WORTH THE MONEY ON MY CAR? i NEED TO SEE 14 IN THIS HEAVY BEAST!!!!!!!!!!!!! 

