Haight 05LGT Posted October 9, 2012 Share Posted October 9, 2012 Sorry for the inevitable noob post... I have recently come to suspect that my DP has been tampered with(de-catted). Short of dropping the dp and looking, is there an easier way to tell if one of the cats has been removed? Link to comment Share on other sites More sharing options...
bigjweb Posted October 9, 2012 Share Posted October 9, 2012 usually a catless car will smell differently then a catted Link to comment Share on other sites More sharing options...
Haight 05LGT Posted October 9, 2012 Author Share Posted October 9, 2012 usually a catless car will smell differently then a catted I do notice a smell at WOT. Almost smells like my car is running rich. Link to comment Share on other sites More sharing options...
Haight 05LGT Posted October 10, 2012 Author Share Posted October 10, 2012 Besides the smell, are there any other signs? Link to comment Share on other sites More sharing options...
xero287 Posted October 10, 2012 Share Posted October 10, 2012 Your tune from Infamous should be different. He should have mentioned something about it. Link to comment Share on other sites More sharing options...
bigjweb Posted October 10, 2012 Share Posted October 10, 2012 That's assuming that infamous cares enough to notice the difference and actually make an effort to say something about it. They prob just tune as quickly as possible, so I doubt they scrutinize data that closely over there. Very assembly line Link to comment Share on other sites More sharing options...
TheOneDoubleN Posted October 10, 2012 Share Posted October 10, 2012 That's assuming that infamous cares enough to notice the difference and actually make an effort to say something about it. They prob just tune as quickly as possible, so I doubt they scrutinize data that closely over there. Very assembly line How do you have an assembly line with two guys working out of a small shop in Escondido? Link to comment Share on other sites More sharing options...
Haight 05LGT Posted October 10, 2012 Author Share Posted October 10, 2012 Your tune from Infamous should be different. He should have mentioned something about it. My tune was OTS. He didnt know about the DP. I still dont know 100% if it is catless.....looks like I will just have to drop it an look. Is it possible to tell from my logs that it could be catless? Here is a link to my lv and rr log http://legacygt.com/forums/showpost.php?p=4099246&postcount=45 Link to comment Share on other sites More sharing options...
PeterJMC Posted October 10, 2012 Share Posted October 10, 2012 Maybe it's just me, but reading your OP makes me think that you could be talking about two different scenarios of a de-catted DP. Either it's completely catless or has been gutted. Catless DP, the DP was either built without a Cat or the Cat was cut out and replaced with same length of pipe. It should be fairly easy to look at the pipe from the engine bay and underneath to visually see if there is a bulged area (this is where the cat would be). If there is no bulge in the DP to the mid pipe chances are you have a catless DP. Gutted DP, the catalytic materials were removed and the shell of the catalytic converter remains in tact on the DP. If your DP has a cat and you need to find out if it's been gutted... the only way to know for sure is to pull the DP off. Link to comment Share on other sites More sharing options...
DocHolladay23 Posted October 10, 2012 Share Posted October 10, 2012 Simple test, put an open can of tuna near the tail pipe, if no cat comes out then it has been removed. [sIGPIC][/sIGPIC] You want stickers? Hit me up here!!! You want a shirt? Hit me up here!!! Link to comment Share on other sites More sharing options...
Haight 05LGT Posted October 10, 2012 Author Share Posted October 10, 2012 Maybe it's just me, but reading your OP makes me think that you could be talking about two different scenarios of a de-catted DP. Either it's completely catless or has been gutted. Catless DP, the DP was either built without a Cat or the Cat was cut out and replaced with same length of pipe. It should be fairly easy to look at the pipe from the engine bay and underneath to visually see if there is a bulged area (this is where the cat would be). If there is no bulge in the DP to the mid pipe chances are you have a catless DP. Gutted DP, the catalytic materials were removed and the shell of the catalytic converter remains in tact on the DP. If your DP has a cat and you need to find out if it's been gutted... the only way to know for sure is to pull the DP off. My DP is oem so I am thinking it is gutted.. Simple test, put an open can of tuna near the tail pipe, if no cat comes out then it has been removed. Always with the witty remarks. Good one. Link to comment Share on other sites More sharing options...
Haight 05LGT Posted October 11, 2012 Author Share Posted October 11, 2012 I really dont want to drop this thing....not even sure I have the proper tools. Link to comment Share on other sites More sharing options...
TheOneDoubleN Posted October 11, 2012 Share Posted October 11, 2012 Well seeing how that is the only way to know when you're talking about a gutted stock DP, it sounds like your solution is to have someone else pull it and check. Link to comment Share on other sites More sharing options...
PeterJMC Posted October 11, 2012 Share Posted October 11, 2012 I really dont want to drop this thing....not even sure I have the proper tools. Why do you need to know if it's been gutted or not? If you are just in it to be curious it's not worth it. If it's affecting your vehicles performance, would probably be worth the effort. Link to comment Share on other sites More sharing options...
Haight 05LGT Posted October 11, 2012 Author Share Posted October 11, 2012 Why do you need to know if it's been gutted or not? If you are just in it to be curious it's not worth it. If it's affecting your vehicles performance, would probably be worth the effort. If it is I would like to be properly tuned for it. Link to comment Share on other sites More sharing options...
PeterJMC Posted October 11, 2012 Share Posted October 11, 2012 You having this etuned? or taking it into a shop? If etune, I'm sure you can ask the tuner some advice on how to go about tuning around that unknown data element. I'm sure they could assist without you needing to pull the DP off. If in person, the data logs they pull and tune applied should be able to make sure , albeit catted or not catted, you have a proper and safe tune without having to verify and pull off the DP. Link to comment Share on other sites More sharing options...
Haight 05LGT Posted October 11, 2012 Author Share Posted October 11, 2012 You having this etuned? or taking it into a shop? If etune, I'm sure you can ask the tuner some advice on how to go about tuning around that unknown data element. I'm sure they could assist without you needing to pull the DP off. If in person, the data logs they pull and tune applied should be able to make sure , albeit catted or not catted, you have a proper and safe tune without having to verify and pull off the DP. Etuned by infamous. I think I might just end up dropping it. Thanks for the help Mr.Prius Link to comment Share on other sites More sharing options...
bigjweb Posted October 11, 2012 Share Posted October 11, 2012 Simple test, put an open can of tuna near the tail pipe, if no cat comes out then it has been removed. Do you prefer your tuna with more mustard or mayo? Link to comment Share on other sites More sharing options...
Haight 05LGT Posted October 11, 2012 Author Share Posted October 11, 2012 Do you prefer your tuna with more mustard or mayo? both /r/ Link to comment Share on other sites More sharing options...
DocHolladay23 Posted October 11, 2012 Share Posted October 11, 2012 Do you prefer your tuna with more mustard or mayo? Ketchup? [sIGPIC][/sIGPIC] You want stickers? Hit me up here!!! You want a shirt? Hit me up here!!! Link to comment Share on other sites More sharing options...
bigjweb Posted October 18, 2012 Share Posted October 18, 2012 thousand island Link to comment Share on other sites More sharing options...
fishbone Posted October 19, 2012 Share Posted October 19, 2012 Simple test, put an open can of tuna near the tail pipe, if no cat comes out then it has been removed. Holy shit :lol: Thanks for making my day Link to comment Share on other sites More sharing options...
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