95 5.0- Cats back on?

[the5.ohh]

Exhaust setup is MAC LT's, BBK Shorty o/r X, MAC Flowpaths and 2.5" tails. Love the sound but I'm getting a little tired of the gas smell.. Now heres the dumb question, I have a smog pump delete and my egr is capped off. Can I put a set of high flow mini cats on the car? Will it cause any problems or?

 

[CC'S95GT]

shouldn't cause any issue at all.
I never noticed a gas smell when I ran my o/r H pipe.

 

[the5.ohh]

shouldn't cause any issue at all.
I never noticed a gas smell when I ran my o/r H pipe.

My H didn't really smell bad. The X and LT's smells a bit more and at traffic lights it gets annoying.
talked to Dan from AM and he said the same as you said

 

[OnyxCobra]

my high flow cats don't have a smog hookup

 

[the5.ohh]

my high flow cats don't have a smog hookup

What brand? I'm lookin at Flowmasters Mini high flows

 

[CC'S95GT]

my high flow cats don't have a smog hookup

My Bassani catted X does and BBK catted H does too.

 

[sleepn_sn95]

Not positive on this but couldnt the smells be stronger since your egr isnt hooked up?

 

[OnyxCobra]

What brand? I'm lookin at Flowmasters Mini high flows

I believe they're magnaflow cats. It's a VRS catted X pipe, I'd highly recommend it if you'd rather buy the whole pipe.

Not positive on this but couldnt the smells be stronger since your egr isnt hooked up?

If the EGR is blocked it should be removed in the tune or it could cause issues, not sure if it would increase the smell though. I guess maybe since it's not re-burning some of the exhaust, maybe he's just referring to the no-cat smell.

 

[the5.ohh]

Not positive on this but couldnt the smells be stronger since your egr isnt hooked up?

I don't think so. Always smelled like this even before I capped the EGR off and took off the smog pump.

I believe they're magnaflow cats. It's a VRS catted X pipe, I'd highly recommend it if you'd rather buy the whole pipe.




If the EGR is blocked it should be removed in the tune or it could cause issues, not sure if it would increase the smell though. I guess maybe since it's not re-burning some of the exhaust, maybe he's just referring to the no-cat smell.

If / when I do HCI i'll be getting a custom dyno tune so that would be taken care of. I've had the EGR capped off for around a month, no issues at all. I'm only talking about the no cats smell

 

[Shifty Powers]

My H didn't really smell bad. The X and LT's smells a bit more and at traffic lights it gets annoying.
talked to Dan from AM and he said the same as you said

All I am going to say is LOL^ was this on the forums? Or did you call in?

Now that that is out of the way. No running highflow cats on the setup now will not cause any issues. And taking cats off will always give more backfiring, and possible gas smell, mainly at cold startup/openloop. Also adding longtubes and all of that other stuff in the mix, yes it may increase the smell a bit. Specially if you are decelling and letting the car slow itself down. As the car dumps fuel when doing that.
So that could be it.

Otherwise the smell should not be overwhelming or causing you to feel nauseous or eyes water. If so you could have a leak somewhere or a different problem. Do you have tunes? If not that could surely be the problem. IF so you may want to try getting a datalog to the company that does your tunes so they can see exactly how the car is running. As no matter what each car is different and will react slightly differently to tuning/mods.

 

[the5.ohh]

Lol yeah I called up, wanted to make sure it was okay or not okay to put cats on. Its not bad at all, just when I sit in traffic it can be annoying. I don't have a tune, will get one if I do a hci swap though. I'm pretty immune to it, but like I said sitting in bumper to bumper traffic with the smell can be a tad bit annoying. Appreciate the input, thank you

 

[OnyxCobra]

I have to say I do enjoy the clean smell from my car now that I have cats again, clothes don't smell like exhaust anymore.

 

[MustangChris]

i'll never run a cat-less system again.

 

[CC'S95GT]

I have to say I do enjoy the clean smell from my car now that I have cats again, clothes don't smell like exhaust anymore.

is that octane 93 your wearing

 

[the5.ohh]

Maybe it smells a bit more because I put 87 in? I just filled up from 1/4 tank to full with 93, I'll see if it smells any better.

 

[Shifty Powers]

I will never run catted again and I dont smell my exhaust..

Problem is you are not tuned

 

[the5.ohh]

I will never run catted again and I dont smell my exhaust..

Problem is you are not tuned

@ShiftyPowers Yeah I agree. I'm going to tune it when I do h/c/i and full bolt ons. For now I'll live with it.
From your experience what do you think these cars would put down #'s wise?
My 95 5.0 - auto- mac lt's, o/r x, mac mufflers, smog pump delete, cai, 76mm maf, iridium plugs, 9mm wires
06 V6 auto- cai, 70mm tb, tuner, lt's, o/r h, no mufflers -

 

[OnyxCobra]

It has nothing to do with being tuned, catless exhaust ALWAYS smells.

 

[the5.ohh]

It has nothing to do with being tuned, catless exhaust ALWAYS smells.

Also true. But I'm probably running a little lean since the car's not tuned. My dad had a 67 Cougar 289 3 speed stick awhile back, obviously no cats and he said it didn't smell anything like my car does. But then again that thing never had cats or any emissions these cars had to begin with.

 

[Musturd]

i'll never run a catted system again.

Fixed



k for for real though you guys are all being babies ...