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Old September 30th, 2009, 02:53 PM   #1
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Pre-Cat Delete Owners - Inquiry

Well, did most of the Mod's out there and left with the Pre-Cat Deletes.

Wanted to inquire with the other members if they had any issues (fitment, CEL codes), etc.. with these.

Thanks!
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Old September 30th, 2009, 03:00 PM   #2
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ask worldon1finger he has richies precat deletes, seems to work nicely for him. There are minor fitment issues with the atlp v2 jpipe... otherwise they are nice.
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Old September 30th, 2009, 03:08 PM   #3
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fitment was a little tough, but it does eventually get on. its made my exhaust really raspy throughout rpm's when cold and somewhat raspy at 2.5k-3k RPM when warm. exhaust setup is rich's v1 j-pipe, magnaflow mufflers with 2.5' piping with Y at 2.25'. seemed to drop alot of torque though
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Old September 30th, 2009, 03:15 PM   #4
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fitment was a little tough, but it does eventually get on. its made my exhaust really raspy throughout rpm's when cold and somewhat raspy at 2.5k-3k RPM when warm. exhaust setup is rich's v1 j-pipe, magnaflow mufflers with 2.5' piping with Y at 2.25'. seemed to drop alot of torque though
You think most of the tq loss is from the 2.5 piping? I got 2.25 piping and i feel a significant loss. The jpipe supposedly helps you in the midrange
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Old September 30th, 2009, 03:16 PM   #5
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i hollowed my cats but i only did it cuz the SC... i don't think it benefits NA but actually reduces torque like ^^ said
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Old September 30th, 2009, 03:43 PM   #6
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You think most of the tq loss is from the 2.5 piping? I got 2.25 piping and i feel a significant loss. The jpipe supposedly helps you in the midrange
ya im thinking about going down to a 2.25 when i have some extra $$...
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Old September 30th, 2009, 04:17 PM   #7
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I have richies precat deletes, jpipe and 3rd cat delete running into a 2.25 magnaflow catback. I LOVE the exhaust note and volume, always get complements. The fitment was no problem for me, i installed everything in about 4-5 hours start to finish. The only "bad" thing is the smell of carbon when you stop and residue on the bumper, but it comes off with some wax. Overall id definitely recommend them.
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Old September 30th, 2009, 04:51 PM   #8
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What are the fitment issued with the atlp v2? i have richies deletes but just bought the atlp v2
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Old September 30th, 2009, 04:59 PM   #9
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Well i helped install Bretts (worldon1finger) and since the ATLP V2 sits nice and high. Richies precat deletes are a bit shorter than oem pre-cats, the ATLP then ends up sitting on the subframe. The precats move with the engine P-R-N-D 1-2-3-4 etc. so the jpipe ends up right on the subframe rattling the hell out of the car especially with the AC on, so it was a headache for a few hours.
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Old September 30th, 2009, 05:01 PM   #10
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how did you install successfully without the pipe sitting on subframe? Does it help that i have innovative mounts for the purpose of the movement?
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Old September 30th, 2009, 05:38 PM   #11
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i got a cell that goes on once in a while. i just take off the code and it stays off for a good amount of time .but when it rains the light always goes oni think it could be a bad sensor but idk
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Old September 30th, 2009, 10:30 PM   #12
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Your o2 sensor is loose, we had the same problem at first, re-tighten everything and you will be good. You shouldn't be throwing codes.
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Old September 30th, 2009, 11:36 PM   #13
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I have richies precat deletes, jpipe and 3rd cat delete running into a 2.25 magnaflow catback. I LOVE the exhaust note and volume, always get complements. The fitment was no problem for me, i installed everything in about 4-5 hours start to finish. The only "bad" thing is the smell of carbon when you stop and residue on the bumper, but it comes off with some wax. Overall id definitely recommend them.
can you post a sound clip or a video of how it sounds. im also looking to get the 3rd cat delete soon as well..and yes the residue on back bumper does suck lol
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Old September 30th, 2009, 11:43 PM   #14
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ill try to get a clip soon. The residue is annoying for sure though. Turned my polished tips into dark dark golden tips, still nice so i dont mind but the bumper turned a golden brown color too, and thats annoying especially since some parts i wont come off unless i wetsand em.
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Old October 1st, 2009, 05:12 AM   #15
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ill try to get a clip soon. The residue is annoying for sure though. Turned my polished tips into dark dark golden tips, still nice so i dont mind but the bumper turned a golden brown color too, and thats annoying especially since some parts i wont come off unless i wetsand em.
A race cat or a 3rd cat is a must with precat deletes...
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Old October 1st, 2009, 07:15 AM   #16
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Were u able to resolve vibrating issure
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Old October 2nd, 2009, 03:38 PM   #17
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I would like to get these, yet the disclaimer identifing a potential "fitment" issue with the ATLP V2's is my concern.

It would be great if we could get some "pics" showing an install with this j-pipe to avoid any confusion.
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Old November 21st, 2009, 12:03 PM   #18
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Pics

Let's see some pics...
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Old November 24th, 2009, 03:09 PM   #19
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I have V2 Pre-Cat Delete (not the bad batch) and everything went smoothly. Fitment was great and with the V2 J-Pipe/A-Pipe to compliment it, my car was sounding better then ever.

The only downside some people complained about is the smell but personally I like it.. IDK why.
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Old November 24th, 2009, 11:27 PM   #20
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good inquiry, i was thinking the same thing
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Old November 25th, 2009, 07:12 AM   #21
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I have V2 Pre-Cat Delete (not the bad batch) and everything went smoothly. Fitment was great and with the V2 J-Pipe/A-Pipe to compliment it, my car was sounding better then ever.

The only downside some people complained about is the smell but personally I like it.. IDK why.
Any loss in torque?
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Old November 25th, 2009, 07:18 AM   #22
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Any loss in torque?
Nope. I did not notice any loss on my butt dyno.
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Old November 25th, 2009, 08:05 AM   #23
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ya im thinking about going down to a 2.25 when i have some extra $$...
A easier way to get the effect is to get a 3 bolt 2.25" flange and put it between the third cat and catback, that will give the choke down you are looking for.
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Old November 25th, 2009, 09:04 AM   #24
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Paul you can only do that if you have the cat on? I ask because I have 2.5 all the way back but I took my cat off, is there any other solution or will I just have to do the y pipe over?
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Old November 25th, 2009, 12:00 PM   #25
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Paul you can only do that if you have the cat on? I ask because I have 2.5 all the way back but I took my cat off, is there any other solution or will I just have to do the y pipe over?
Do you have any flanges left???
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Old November 25th, 2009, 01:16 PM   #26
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Not sure why what's up? What can be done?
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Old November 25th, 2009, 05:24 PM   #27
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As flong as you still have the catback-cat flange in the system then you can use a std 3 bolt flange to make the choke point to re-create the back pressure.
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Old November 25th, 2009, 08:43 PM   #28
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Oh ok so I would use the stock one correct and that should help choke it a bit right?
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Old November 25th, 2009, 09:39 PM   #29
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That would certainly do it.
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Old November 28th, 2009, 08:35 PM   #30
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I have pre cats and the front one cracked but I got it welded back up. my 3rd cat is gutted and I have 2.5 with not resonater and no first muffler. After that is stock cst back tls. After the y it jumpes down a lot like 1 inch and something. I found some stock twin loop s2k mufflers and I'm going to try them out. Going to come off the y at 2.5 and then go into the s2ks. Then put the tls tips on the s2k muffler. Ill have pics Monday so far it sounds like ****. And if that doesn't work then I will be going 3 off the j pipe to the y and see how that goes.
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