showdog75

iTrader: (8)

I'm looking for advice regarding high performance cats. I like the looks of the spun stainless ones but do they work well? I need the smallest possible because of lack of room. I'm looking to knock down the smelly exhaust at idle. In two weeks I have a appointment with the tuner and I obviously need to get this done beforehand. Anybody regret putting cats on there swap? Thanks for any advice.

Michael Yount

iTrader: (1)

Don't regret mine at all - had to put them on when I moved to this area back in '06 --- could take them off now (no more inspection because of age of car) but see no reason to do so. They work. Company I got them from back in '07 no longer in business...

Attachment 713759

wretched73

Check out Thunderbolt cats on Ebay. I got the spun metallic, no regrets

showdog75

iTrader: (8)

Thanks guys, that's what I was hoping to hear.

Michael Yount

iTrader: (1)

Mine were stainless case and substrate.

hrspwr

I have the Magnaflow high flow cats and they work great. Have had them in the car for about 6 years now and they work great. p/n I used was 59959.

bobcratch

i use MagnaFlow 99206HM cats on my swap, can be had for about 100 each or so. Work good. I don't regret them at all, i hate the smell of no cats.

Project GatTagO

iTrader: (7)

To those that use cats, do you think they quite the exhaust down?

Andrew

Michael Yount

iTrader: (1)

I couldn't detect any difference at all before and after Andrew. The only way I was ever able to get mine to an acceptable (to me) level of quiet was to use OEM mufflers.

showdog75

iTrader: (8)

I pulled the trigger on some Stainless Works cats. Ouch, they're not cheap but the slim design and knowing that Stainless Works is high quality I bit the bullet. Hope it's ok to put in the link for anyone following this thread.https://stainlessworks.net/catalytic...design-2-5-end

G Atsma

What I have found is that converters tend to mellow the tone a bit, "knocking off the rough edges" of the sound. A bit raspier without them, more of an edge.

cpd004

iTrader: (13)

Glad to see this thread here. I was just thinking of how to curb the exhaust smell and am considering cats as well. I too, don't have much room at all. Interested to hear before vs after thoughts.

showdog75

iTrader: (8)

I'll definitely update the thread. I will say that when I pull it apart I'll also be replacing the Pypes Street Pro mufflers with some Borla XS Pro mufflers. I have a loose date for my tuner in two weeks so I have to get this all done beforehand.

showdog75

iTrader: (8)

Sneak peek at the new cats and flex bellows.

JoshHefnerX

Nice vice and work table what is that top 1/2"?.

LilJayV10

iTrader: (39)

Dynatech cats here.

Don't see any reason not to run cats on a street car nowadays.

showdog75

iTrader: (8)

3/4" plate

gofastwclass

iTrader: (2)

I love the vice.

showdog75

iTrader: (8)

Here's my favorite sitting on top of the big C3...

G Atsma

Now THAT'S a vise!!