i want one with a nice induction roar and best power gain . which one do you reckon ?
http://www.k-tecracing.com/show_product.asp?id=961 or this http://www.k-tecracing.com/show_product.asp?id=1568
http://www.k-tecracing.com/show_product.asp?id=961 or this http://www.k-tecracing.com/show_product.asp?id=1568