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MAC O/R Hpipe question [Archive] - StangBangerz Forums

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4n_eatr
05-06-2015, 09:28 AM
Is anyone running a MAC h-pipe? I just installed mine and is seems to move my catback forward about two inches. Now my pipes are rubbing on the frame rail and upper control arms and just barely clearing the tires. http://images.tapatalk-cdn.com/15/05/06/28926877063219119c75f0cea865e6a1.jpghttp://images.tapatalk-cdn.com/15/05/06/a370170e615940f503270e702eae7566.jpg
You can see on the rear hangar how stretched it is.
http://images.tapatalk-cdn.com/15/05/06/fdf9a7dde798117a365594ca8cfc32b4.jpg

CNTLOSE
05-06-2015, 12:50 PM
I have never had an issue like that...but I have had to make adjustments to the cat back. What brand cat back are you running? Can you adjust it or is it welded together?

4n_eatr
05-06-2015, 05:37 PM
No its a welded flowmaster. I have a cobra style exhaust sitting in my garage that I'm in the process of polishing but I still haven't figured out how to hang the tailpipes correctly yet so I'm a little concerned about throwing that on right now. I'm thinking about dumping it and calling it a day.

Someone said the Fox cat back is a little shorter, but it was fine when I pulled the other h-pipe out. This one seems to be shorter. But it's definitely for a 4.6. A Fox h-pipe wouldn't fit a 4.6.

CNTLOSE
05-06-2015, 05:43 PM
If the pipes are welded you are screwed for a quick fix. You will have to get pipes cut and adjusted to fit correctly. I had a similar issue on a '95 Cobra when I was running the stock cat back w/ a MAC H-pipe. It was not rubbing anything, but it made the pipes stick way out the back. I ended up just cutting some of the tips off to make it look right again.

4n_eatr
05-06-2015, 08:51 PM
I think my quick fix may be just to chop them off and put on some turn downs lol.

CNTLOSE
05-06-2015, 09:49 PM
I think my quick fix may be just to chop them off and put on some turn downs lol.

Personally that is what I would do. I always put turn downs on my Stangs.

4n_eatr
05-06-2015, 09:50 PM
I had them on my 87. Only thing that sucked is it got hot in the cabin in traffic lol.