Batmbl Gb #3: Twin/split Dump & Front Pipes In One + 3" Hi-flow Catco Cats (optional)

[mspek]

PM sent

hi guys

i have PMd all those registering interest in another GB. i might be able to arrange a small GB if most interested parties want to go ahead.

cheers

[Cillham]

In the new year potentially

[Xizor]

Just thought i would post and say i had the front split dump pipe and the big 5" body cat installed yesterday. I only had a cat back exhaust before, so now mine is complete turbo back.

Let me just say i find the difference these 2 components have made is very noticable. Highly recommended.

[D_I_F]

Any chance I can still get in for this group buy???? pweaseee ^_^

[theexile]

i'm interested too. when is the next one. so anyone know who can install the dump pipe here in melbourne.

[BATMBL]

theexile,

i have organised a small GB for those that missed out. which part(s) would you like and for which car? i would need payment by wed-thu this week to finalise payments and send parts out. the next 'official GB' wont be until after new years.

cheers

[theexile]

OK. Just PM you. I would really like to pick you the pipe and cat and pay you cash. I have the R33 skyline GTS-T 2-door.

[Eug]

michael,

interested in a cat, and have a couple of questions.

1/ do the cat prices apply only if you buy a dump/front pipe? or are we able to buy it individually?

2/ are you able to get 2.5" cats?

3/ by "bolt on" does that mean they come with flanges? or a welding "bolt on"?

4/ any performance difference between the small body and large body apart from physical? i.e any figures on flow rate?

5/ delivery to brisbane, qld for one of these cats.

cheers

eug

[D_I_F]

Recieved my pipes today.. THANKS!

cant wait to get them on!

[BATMBL]

Eug,

you dont have to buy the pipe to get the cats at the GB prices. i can get 2.5" cats, but they wont be bolt on for skyline.

by bolt on, it means the flanges are welded on already, so you can just install it yourself. there is a performance difference of about 30-40cfm. i dont have an exact figure on the small and large body ceramic cats, but the large body flows about 460-480cfm from memory.

the delivery is included in the price, but if you want 2.5", it would be cheaper as it will also not be bolt on. pm me if you want a cat other than the ones offered in 3" or for any other Q's.

cheers

[theexile]

Pay you at lunch today. when can I expect the pipe. thanks.

[mspek]

I just noted the following article...

http://www.croydonracingdevelopments.com/articles.htm

see: ZM83 - Magic Cat

should I be worried?

[BATMBL]

mspek,

im not sure what you mean about being worried?

If you are talking about the magic cat flow rates shown in that article, as you can see they were measured with the magic cat not having any cone reducers welded on it to make the piping 3". the magic cat is basically a 4" pipe with a metal substrate inside it and this is how it was flow tested. of course it will measure more flow than a 3" piped cat of any type.

the catco 5" body cat with 4" piping welded to it (so this way it has the same in and out diammeters as the magic cat which was flow tested in that article) flows at 1015CFM! ...not at 750cfm like the magic cat.

also i noticed it said in there 'catco supercat', this is a misprint, because catco has no 'supercat', the name supercat is a different brand altogether and those cats which were bench tested were all ceramic inside cats. if there was a catco cat tested, it would have been the large body ceramic inside cat, which flows in the high 400's cfm (which is maybe what that figure is "496cfm". i hope that clears things up for you, since it can get a bit misleading when they dont tell you much about what exactly they tested it against...

cheers

[wessa02]

I too would like to jump in on this little group buy if possible, Michael is it possible if I can purchase just the front pipe for a r33gtst, wont be able to pay till the coming tuesday (5th) though would this be ok

[Mike_]

When is the next GB for these? It's time i got myself a split dump/front pipe!

[theexile]

got the pipe and cat 2day. can't wait to get the cat-back system to put them all on at once. thanks michael.

[hayden49]

Are the dump pipes that are built into these front pipes 3"?

In the pictures of this dump/front combo the dump looks to be of small size then the rest of the pipe.

Can anyone clarify this for me?

cheers

[MsG_ChRiS]

Hey Batmbl,

Put me down for SS dump pipe for $380 for R33 Gts-t when ever there is a group buy on and i'll send you the cash.

rgds,

Chris

[BATMBL]

hayden49,

yes they are built into the pipe, this is why we call it a 'dump & front pipe in one'. the dump area is smaller in size because you cannot fit 3" piping directly onto the turbo flange. you will notice that even HKS's split dump isnt 3" as there just isnt enough room when its a split/twin dump..

MsG_ChRiS,

i will pm you shortly

cheers

[oops]

yo interested in next group buy after new yrs lads, pls let me know (if anyones keeping track of this type of thing).