4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

Obnoxious noise. UPDATE: Cat. blown out! Now what to do?

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Old 06-30-2007, 04:39 PM
  #21  
stangdriver2007
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Default RE: Loud Obnoxious rattling noise coming from exhaust

ORIGINAL: 945LSTANG

ORIGINAL: stangdriver2007

ORIGINAL: 945LSTANG

get an o/r midpipe and just swap in the stocker for emissions.it should all be bolt onstuff - no welding.
he would ahve to buy a new stocker though cuz his is bad or atleast the one is and california is so strict i bet it wouldnt pass with one
everyone is swapping out miidpipes...it cant be that hard to find a used stocker.
that is definatly true i will be swithching mine out soon so i definatly see what your saying
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Old 06-30-2007, 04:54 PM
  #22  
POISND U
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Default RE: Loud Obnoxious rattling noise coming from exhaust

He will pass the sniffer and probably a visual, but it's still illegal. The chances of him getting popped for an aftermarket midpipe? Slim. The consequences? Dire. I know a few people that have and it's a $1000+ ordeal. California sucks.

To be fair, damn near every Mustang owner I know out here is running an O/R midpipe. I don't because IWILL get caught (I always get caught), and it ain't just a "fix it" ticket.

Used stockers aren't very hard to come by, but it's gonna suck to take a step backwards. BBK only makes a catted X for new edges. No H. [:@]
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Old 06-30-2007, 05:57 PM
  #23  
SikGT
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Default RE: Loud Obnoxious rattling noise coming from exhaust

I have a MAC O/R H and I live in Orange County CA. I keep my old midpipe sittin in the bed of my buddies old hoopty truck. Haven't got caught with my MAC pipe on by the popo but I drive like a grandma anyways.
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Old 06-30-2007, 11:21 PM
  #24  
bluepony4.6
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Default RE: Loud Obnoxious rattling noise coming from exhaust

I busted a cat on my O/R X pipe while going over one of those dreaded speed bumps. I didn't know it was busted at the time but I kept hearing this strange rattling noise for a week or two. I finally found it out when I was changing my oil. I then took off the x pipe and gutted out both cats. Since then I have had my car emmissions tested twice with no cats and I have passed both times.In Texas they are supposed tolet the car run for 15 mins before testing. Once they did that, I was good to go. However, I will be graftinganother set of cats in when my stuff gets to Washington. The smell of my exhaust with no cats makes me nauseous.
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Old 07-01-2007, 11:20 AM
  #25  
Brute03
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Default RE: Loud Obnoxious rattling noise coming from exhaust

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I busted a cat on my O/R X pipe.........
huh??? lmao
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Old 07-02-2007, 12:33 AM
  #26  
bluepony4.6
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Default RE: Loud Obnoxious rattling noise coming from exhaust

My fault....it was an o/r x pipe and I grafted a pair of cats onto it. I then busted one of them on a speed bump. Thanks for the catch.........I guess.
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Old 07-05-2007, 04:21 PM
  #27  
Gar4pt6
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Default RE: Loud Obnoxious rattling noise coming from exhaust

nothin wrong with hallowin the cats out and puttin em back on...you will pass the visual test and maybe the sniffer...they dont sniff the tailpipes here so i dont have to worry about that part...most of the time the person workin there doesnt know what the fuc* they are doing anyway...last time i took my truck in she only entered 7 numbers in the the vin
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Old 07-05-2007, 07:00 PM
  #28  
ColinGT
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Default RE: Loud Obnoxious rattling noise coming from exhaust

im takign out my stock catback tomorrow to put in my slp catback, wanna buy mine lol
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