Cat Converter question

[TxNiceGuy2002]

I have a 1996 Mustang GT, can anyone tell me why exactly I have 6 cat. converters under my car? I've never seen so many in my life, guy at muffler shop when I was getting my Flowmasters installed mentioned it being a "California car".

 

[bdcardinal]

nope, i have a 98 GT thats a federal car and it has 6 cats. just remember that if you want to drive your car on any public road in the US you cannot remove, modify, or disable any of those cats. however only CA and some other states choose to enforce that.

its just because they wanted to make sure that the cars passed smog tests. like on my 98 when i run it on a dyno, it blows 0 HC, 0 NOx, and 0 CO out the pipes.

 

[Dark Knight GT]

Yeah, those 96-98 GT's come with 6 cats stock. My 2001 only had 4 cats stock. If you want my honest opinion, get a hi-flow X or H-pipe instead. If it's only hi-flow and not off-road, it will only have 2 hi-flow cats but will still be smog legal. If you're in California though, you might have a problem getting away with that.

 

[bdcardinal]

what im gonna do is get a offroad X pipe and swap in my stocker ever 2 years.

 

[Dark Knight GT]

what im gonna do is get a offroad X pipe and swap in my stocker ever 2 years.

Well, most people don't like the hassle of having to get under there and swap pipes every year. However, if its only every 2 years, then hell, go for it lol.

 

[TxNiceGuy2002]

Yeah that's what I was going to do, thank God I'm not in California though right? I was hoping for a BBK or MAC high flow catted H or X pipe. But they are like $400!

 

[Dark Knight GT]

Yeah that's what I was going to do, thank God I'm not in California though right? I was hoping for a BBK or MAC high flow catted H or X pipe. But they are like $400!

Beats doing what I did. I ended up having to buy a pair of Mac Hi-flow cats and have them welded into my prochamber. The prochamber alone was around 240 dollars and the cats were over 300. Add that to the price of the install for the converters to be cut and welded in...well, you do the math.

 

[bdcardinal]

Well, most people don't like the hassle of having to get under there and swap pipes every year. However, if its only every 2 years, then hell, go for it lol.

who said anything about getting under there. thats why god invented lifts and air tools.

 

[Dark Knight GT]

who said anything about getting under there. thats why god invented lifts and air tools.

If I had access to a lift and air tools, then I'de have it made.

 

[Gunfighter]

6 cats is 6 too many

But seriously, if you want/need to stay legal, the catted aftermarket mid pipes will get the job done, and really are the best of both worlds. They cost a litte more than an o/r pipe, though