Originally Posted by rugsr
will either of the 2 give more or prevent HP? like 18" will make it quiter but will it take HP away? considering the 3"pipes+turbo+my heavy foot=im sureits gonna be very loud. i will probably go with the 18", since the cops here pull me over for just my ebay tin can

The longer one will take more HP, but you will want it. What are you doing about the wastegate dump?
Originally Posted by rugsr
I would go with the more expensive one. It looks much easier to weld the 3" piping onto.