Bbk cat delete? - Mustang Evolution

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Old 10-08-2012, 10:22 PM   #1
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Bbk cat delete?

Bought a bbk cat delete off eBay for 50 bucks. I've been hearing some good and bad stuff about them so I was wondering if I should put it on my car or not? I will be using it just until I order my xpipe in the spring.
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Old 10-09-2012, 07:12 AM   #2
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They fit great for me. No o2 extensions needed either. make sure you get a tune for them or youll get a CEL eventually.
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Old 10-09-2012, 07:14 AM   #3
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I've hear they need coaxing to go where you want them to, but once they're on there I have not hear of any issues
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Old 10-09-2012, 07:21 AM   #4
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My fit fine. +1 on the tune immediately. Good luck getting your bolts of the passenger side cat.

Are you going to run your cat delete with your muffler delete?
Do you still have the resonators on?
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Old 10-09-2012, 07:29 AM   #5
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lol, yes, how could i forget to tell you about the bolts... Well, make sure to read through this post and others on how to remove the cats...
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Old 10-09-2012, 08:31 AM   #6
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I have stock h and resonators with slp loudmouth axle back... Any tricks to getting the stock cats off? Lol
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Old 10-09-2012, 08:35 AM   #7
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Mine went on ok, the passenger side nut inside the engine compartment came off easy, maybe because the car was still almost new at the time. Mine leaked bad at the clamps, like the BBK pipes were too big for the stock exhaust. I had them welded up. I have a good bit if rasp at mid-high rpm's. I may swap mufflers eventually or try an x pipe.
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Old 10-09-2012, 08:42 AM   #8
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Quote:
Originally Posted by Mustang32Bill
I have stock h and resonators with slp loudmouth axle back... Any tricks to getting the stock cats off? Lol
Patience and a lot of alcohol. Lol.
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Old 10-09-2012, 08:53 AM   #9
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What can I expect from getting rid of the resonators? Power? Loud?
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Old 10-09-2012, 10:07 AM   #10
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Quote:
Originally Posted by Mustang32Bill
What can I expect from getting rid of the resonators? Power? Loud?
Loudness. Your cats should come off pretty easy, you have a '13. Depending on your mileage there shouldn't be to much corrosion yet. Mine had 1600 miles on it when I pulled them. Couldn't have gone smoother.
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Old 10-09-2012, 03:24 PM   #11
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Quote:
Originally Posted by DWC_SmOziLLa

Loudness. Your cats should come off pretty easy, you have a '13. Depending on your mileage there shouldn't be to much corrosion yet. Mine had 1600 miles on it when I pulled them. Couldn't have gone smoother.
I only have 1100 miles so I guess I should do it the sooner the better since winter is coming up. .

---------- Post added at 03:24 PM ---------- Previous post was at 03:22 PM ----------

I know I won't pass inspection with no cats but what about no resonators?
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Old 10-09-2012, 03:26 PM   #12
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Resonators do not affect emissions, you'll be just fine
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Old 10-09-2012, 06:24 PM   #13
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Quote:
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Resonators do not affect emissions, you'll be just fine
Even with muffler deletes ?
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Old 10-09-2012, 07:05 PM   #14
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Quote:
Originally Posted by Mustang32Bill

Even with muffler deletes ?
The only exhaust component that effects emissions are the cats
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Old 10-09-2012, 08:08 PM   #15
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Quote:
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The only exhaust component that effects emissions are the cats
this is correct
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Old 04-23-2013, 07:58 AM   #16
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Am i better off buying the JBA H-Pipe with off road option or just buy the BBK Cat Deletes and use factory H-Pipe? Will power gains/ sound be the same?
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Old 04-23-2013, 12:40 PM   #17
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Am i better off buying the JBA H-Pipe with off road option or just buy the BBK Cat Deletes and use factory H-Pipe? Will power gains/ sound be the same?
I'm assuming power gains will be the same being that your deleting the cats either way. I would just but an off road pipe that comes with cat deletes that way it won't leak and you'll no it'll be a good fit, although I have heard its hit or miss with the Jba off road pipes. I hear the same thing in terms of leaks with the bbk cat deletes as well. I heard great things about lethal off road x or h pipe so that's another option.
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Old 04-23-2013, 12:42 PM   #18
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Quote:
Originally Posted by Joey8 View Post

I'm assuming power gains will be the same being that your deleting the cats either way. I would just but an off road pipe that comes with cat deletes that way it won't leak and you'll no it'll be a good fit, although I have heard its hit or miss with the Jba off road pipes. I hear the same thing in terms of leaks with the bbk cat deletes as well. I heard great things about lethal off road x or h pipe so that's another option.
Maybe. The stock H is goofy. The JBA is going to be 3" all the way to the end where it connects to the 2.75 OTA pipes. The stock H goes from 3" at the headers to 2.75" through most the pipe then back to 3" then back to 2?75" to connect to the OTA pipes. Plus the connecting pipe is very small and doesn't allow as much air to pass between sides as the JBA would.

Now...if this counts for any real power change, not 100% sure. Sound it might help a lot.
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Old 03-18-2016, 08:58 AM   #19
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have you notice a difference with the deleted cats? I'm might buy some today. Just trying to see how people are liking them or not!
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Old 03-18-2016, 09:38 AM   #20
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You will likely think its faster than it is because it is going to be loud without cats. expect something in the range of 10-15 horse max for cat deletes, with a proper tune for them.
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