Well guys no more dumps its now mac equal shorties,,mac prochamber and 40 series flowmasters in the 2.5 tailpipes and i already miss the sound of my dumps... good sound at idle right now and up to 3000 rpm but when im on the highway i cant hear **** im pissed... im being told to get rid of my prochamber and goto the off road H and i will get night and day sound difference can you guys giveme some input please??? i def dont miss the gas smell inside the car though lol thats the plus.. but i need it louders need some advice.. and also will long tubes make night and day sound difference?