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Author Topic: Gutting cats? mastercudaz ¯ Member # 7486 posted 2009-01-13 03:46 AM                              Anyone have any tips on gutting cats so they are just free flowing but looks like they are legal? -------------------- 1990 Mustang GT Posts: 161 | From: San Jose | Registered: Mar 2007  |  : Mach916 ¯ Member # 8264 posted 2009-01-13 07:54 AM                              gutting is not a good idea becaused it will cause alot of turbulence.. run a non catted x or h and cut the cat in half and weld around the non catted pipe. Posts: 1247 | From: Sacramento | Registered: Mar 2008  |  : 1SLOWLX ¯ Member # 558 posted 2009-01-13 10:15 AM                                 I did this years ago on my bbk high flow h pipe. What we did was dropped the pipe from the car cut in front of the cat, had a pole and beat the shit out of the inside. You don't know how much crap is in there. After we were done we welded back together and put it back up it looked good and you couldn't tell by just looking at it -------------------- Built Tuff with your stuff ;) Posts: 5231 | From: bay area | Registered: Nov 2001  |  : mastercudaz ¯ Member # 7486 posted 2009-01-13 02:51 PM                              yeah, I am just trying to get past the visual part, so that if someone gets under there it isnt immediatly apparent that its got no cats. I have a 4 cat pipe for smog.. its just too quiet -------------------- 1990 Mustang GT Posts: 161 | From: San Jose | Registered: Mar 2007  |  : 89goose ¯ Member # 7196 posted 2009-01-13 04:23 PM                           yeah, what 1SlowLX was saying - all u need is a minnie sledge - and long pipe -crow bar style even better - and beat the crap out of it - actually its porcelan. takes awhile.i did it. Posts: 174 | Registered: Oct 2006  |  : Blue92 ¯ Member # 8789 posted 2009-01-13 05:12 PM                              I would just get a free flow X or H pipe and weld on the cat heat shields. Way easier! Had this on one of my old stangs. Looks like you have them. Posts: 2907 | Registered: Dec 2008  |  : 86redGT ¯ Member # 6961 posted 2009-01-15 03:21 PM                              just get an off road h or x pipe, i have been driving around with mine for 2 years and never had a problem. -------------------- 2003 Mustang Cobra 2016 Fiesta ST Posts: 314 | From: concord | Registered: Aug 2006  |  :

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