first let me explain my story as quickly as i can. i have an '07 v6. i wanted long tube. i researched a little and then bought the MAC ceramic coated long tubes. good choice right? or so i thought. i got them in and couldn't get them to line up. they told me to send them in so i did. they made ME pay for shipping. i wait for 2 weeks and call to get an update and they tell me theyre JUST NOW getting around to looking at them. i tell them they need to now, he calls me back 15 minutes later only to tell me there wasn't a problem. it took them 10 buisness days to do a 15 minute test? they sent them back and said there was nothing wrong with them. alright, i get them back today and i was installing them. turns out the base of the port (look at the pictures below) interferes with the bolt that holds my coil pack in place. when i push it up against the bolt on the coil pack (it's on the port closest to the firewall) the front most port is a full inch off. has anyone else done long tubes at all? it looks like it just needs to be grinded. at this point i think i'm going to demand my money back from MAC and spend the extra 250 on the kooks long tubes. has anyone else had a problem like this? or has anyone even done long tubes on a v6 for that matter?