yet another dumb...

Have never inspected Enzo exhaust on or off the car so this is a toughy for me. But, you know what mufflers usually look like I'm sure.

Some mufflers, like www.Burnsstainless.com , can look like standard piping on the outside to the untrained eye. Peek down inside and see if you can identify any baffling. If you just have a set of standard pipes, I don't think you got what you ordered - of course.

As for the "catbox" I'm not exactly sure what you mean. Invite me out there and I'll figure it out.

Please check your other PMs.

 

Finished with some stuff so I just tok a second to check the Tubi USA site.

Looked at the Enzo section: http://www.tubistyleusa.com/fer-enzo.html

Looks like they sell "only tube" options. The pics fit your description. The question is what did you intend to order? Do you know the Part Number for what you truly intended to order? How does that compare to the numbers on the invoice and or any documentation that came with the parts?

Then the next question would be if what you intended to order was actually what you should have ordered.

Should be as simple as that. Seems like you were just bored and felt like giving me something to do.

 

DotHater:

not a dumb question at all.. What you got is the Tubi straight pipes. Well... it replaces the muffler but your cats will still be there. If you're crazy enough.. you should remove the cats and get test pipes along with the Tubi Straight pipes. My buddy has an Enzo with the Tubi Straight pipes and it sounds great!

also.. why the name "dothater"??

 

Does your friend also have the test pipes on as well, I'd have to imagine it would be quite loud with them and the straight pipes as well, maybe even comparable to the FXX?

 

Probably "DOT Hater" because Department Of Transportation makes laws that most motorsport enthusiasts despise with a passion. For example, DOT is probably one of several bureau-crazies that contributes to the very things you're talking about (straight pipes bypassing mufflers and cats) being illegal. They've also had an influence in not allowing importing of the F430 due to crash standrards ( http://72.14.209.104/search?q=cache:TxHEN1XiovYJ:www.fra.dot.gov/downloads/RRDev/sfbay-central_valley_noi.pdf+DOT+F430&hl=en&gl=us&ct=clnk&cd=8 , http://www.fra.dot.gov/downloads/RRDev/sfbay-central_valley_noi.pdf ). Also, if you're into a lot of cars that need to be imported, they can be a major PITA thanks to DOT. Probably other stuff as well.

BUT, THEY DO CLEAN ROADS PRETTY WELL!

P.S. Straight pipes no cats or muffler on an Enzo must sound INSANE.

 

there is a well known enzo over here in the uk that has a tubi style exhaust fitted to it , it goes to a lot of ferrari meets etc and it does indeed do away with the large exhaust back box that you can see , i have seen it numerous times at ferrari meets in the uk , it sounds absolutely amazing i can tell you, vvvvv loud .......

 

if you search on streetfire.com...there's a video of Stefan Erikkson's (sp?) black Enzo that is FULL straight pipes--no cats & no muffler. Sounds insane. My buddy's Enzo has just the muffler delete--still has the cats. But it sounds great!

 

Ok I called Tubi and got the run down, the big box is the muffler and its history, the pipes I got fit between the muffler and cats thus eleminating the box which weighs 90 pounds. Now I'm looking into removing the cats the problem is that you lose neccessary back pressure, there are 2 sets of cats primary at the heads and secondary just before the muffler if they are all removed you lose 15% of the touque which is terrible you would have a fast sounding slow car, Just removing the secondary cats you lose "Some tourrque" Tubi USA is looking into ordering them and having them built but first they are looking into how much torque is lost, If a resonater is put in place for back pressure it kinda pointless because you'll lose the sound right there just like cats.

So what I got is what I needed I'm getting rid of that big box so one can look through the mesh on the back of the car and not see just a box, weight reduction and better sound. Messing with the secondary cats may not be the plan but were gonna find out solid answeres.

 

I agree that backpressure is significant in creating torque. Torque is significant in being quick (eg - 0-60) , but not being fast ( eg - top speed). I think torque can often be much more fun than horsepower. So, I'm down with preserving it and increasing it.

If you want to put a resonator in place you will not necessarily "lose" sound. You will modify it. Usually, a well designed resonator will reduce "raspy" noises and create a more smooth sound.

The resonators that I find many people like are "AR" resonators. http://www.aeroexhaust.com/

They have different sizes : 20, 25, 30. You ideally want it to be the same size as the tubing you'd be mating it to.

 

BTW, the people at http://www.burnsstainless.com/ REALLY know exhaust. Many would consider them royalty in the exhaust world. The quality and efficiency of their ideas, manufacturing and thus product is superb. If you need some customizing ideas, consulting with them is not a bad idea at all to say the least.

 

Damn. I just realized that http://www.aeroexhaust.com/products.html has a lot more size and product options for resonators and mufflers. They seem to have some sort of hybrid resonator and muffler combo, which could reduce weight, reduce clutter and meet goals. They have larger sizes than just the "30". A lot of options there.

 

yes thats why i used that name, i didnt plan on being a regular poster here and tryed a few other namesthat were used and when DOTHATER was accepted i logged in , then I consolidated my name on all boards to LV Eric except for here, so I have 2 user names here, i hope most people on this forim have connected the dots and I hater that name its stupid, one of these. days i'll fix it or perhaps a Mod can make it happen and convert all the threads to LV Eric, I have only made a couple posts outside this forum on F-Chat. So there's the story of the 2 named man. dumb....

 

Eric -

I make absolutely no pretense about Enzo knowledge, but my observations are :

1. If you look at the Enzo exhaust diagram I'm posting below, you'll see that the Tubi tips simply have no provision for a silencer can. Where the normal Enzo tips have upward facing inlets to the silencer, the Tubi's have nothing.

2. It also appears (strictly from the Tubi pictures) that their pipes have no valves whatsoever. That makes sense, eh? Without a silencer, there's no need to divert the gasses up there at low revs, or simulataneously pump them straight out at high revs.

3. It seems to me that the sound you'll get with those tips would be exactly the same as you'd achieve by merely disconnecting the bypass valves. I realize some valves are default OPEN while others are default CLOSED.... and I'm not sure which way the Enzo works. But in essence you get my point. Jam the valves in your stock system, and you achieve the same sound as the Tubi tips.

4. The weight savings (90#) is impressive by pulling that can.... but I expect it's closer to 50#.

5. There was a whole lot of engineering in the Enzo. How does removing 50-90# from the butt-end affect the cars handling and downforce?

6. Finally... and lastly, with pre-cat and post-cat O2 sensors in the Enzo cats, I would be very leary of replacing them with straight pipe. Correct me if I'm wrong, but the Enzo doesn't have a pre-cat catalyst actually in the manifold, so your O2 readings are really going to be whacked... especially cold.

Now, can somebody with real knowledge (instead of a Holiday-Inn rested hack like me) chime in?
Image Unavailable, Please Login

 

i'm going to weigh the muffler, and I dont know how much it will affect the handling of the car, but it is safe to say i'll never push the car hard enough that it will matter, my car the are open for 38 seconds its on then they close bi then over the next minute they close up completely, i have the Tubi parts andam gonna install them and see, but i'm not going to get to hear the car for a while because i'l be in Germany. i'll make a report when I can, if I dont lie them I'll go back to stock its not a big deal. but it will be interesting.

 

I've always thought this too, but I've spoken to some smarter friends and they say these days it shouldn't make too much difference.

Give this a read:
http://www.uucmotorwerks.com/html_product/sue462/backpressuretorquemyth.htm

 

Eric are you still around on Monday? I'll give you a call in the afternoon.