Fordmods Logo

eBay cats, "magnaflow" 

 

Page 1 of 2 [ 16 posts ] Go to page 1, 2  Next

 
 Post subject: eBay cats, "magnaflow"
Posted: Mon Sep 08, 2008 10:51 pm 
Stock as a Rock
Offline
User avatar

Posts: 174

Joined: 20th Jan 2006

Gallery: 2 images

Location: Melbourne
VIC, Australia

I recently missed out on a group buy on AFF for magnaflow cats, 2.5"s were going for $165. I then found these on eBay, but are these the real deal? And what I want?? Any advice appreciated! http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=190171307318&_trksid=p3907.m32&_trkparms=tab%3DWatching
Top
 Profile  
 
 
Posted: Mon Sep 08, 2008 11:39 pm 
Getting Side Ways
Offline
User avatar

Posts: 1863

Joined: 30th Apr 2006

Location: Melbourne
VIC, Australia

I paid $200ish installed for a magnaflow metallic one (2.5") so at that price I can't see why it couldn't be genuine.
Top
 Profile  
 
 
Posted: Mon Sep 08, 2008 11:42 pm 
Technical Contributor
Offline
User avatar

Age: 38

Posts: 4093

Joined: 20th Mar 2005

Gallery: 2 images

Ride: 2.0 Turbo VW

Power: 142 rwkw

Location: Seaford State:
VIC, Australia

I paid around $180 from tru fit about 2 years ago tho.

 

_________________

Carefree, we may not be number one, but we're up there.

Top
 Profile  
 
 
Posted: Tue Sep 09, 2008 1:19 am 
Getting Side Ways
Offline
User avatar

Age: 45

Posts: 3440

Joined: 23rd Dec 2007

Gallery: 32 images

Ride: BA XR6T (mix of BA, BF and FG)

Location: Perth
WA, Australia

I paid 140 for one on ebay. and when it arrived I looked up the part number on the thing and it all matched up.. build quality was great too..

for that extra bit of flow.. I got the 3 inch cat and sleeved it down to 2.5... I don't think my cat is much restriction to exhaust flow now.. :-)
Top
 Profile  
 
 
Posted: Tue Sep 09, 2008 8:01 pm 
Stock as a Rock
Offline
User avatar

Posts: 174

Joined: 20th Jan 2006

Gallery: 2 images

Location: Melbourne
VIC, Australia

frankieh wrote:
I paid 140 for one on ebay. and when it arrived I looked up the part number on the thing and it all matched up.. build quality was great too..

for that extra bit of flow.. I got the 3 inch cat and sleeved it down to 2.5... I don't think my cat is much restriction to exhaust flow now.. :-)


Did you notice much of a gain using the 3"?? And thanks all for the advice so far :)
Top
 Profile  
 
 
Posted: Wed Sep 10, 2008 12:48 am 
Getting Side Ways
Offline
User avatar

Age: 45

Posts: 3440

Joined: 23rd Dec 2007

Gallery: 32 images

Ride: BA XR6T (mix of BA, BF and FG)

Location: Perth
WA, Australia

dunno.. I went from standard exhaust/manifold to 2.5 inch mandral, genie extractors and the 3 inch cat.. but the overall mods together with the cam made a huge difference..
Top
 Profile  
 
 
Posted: Thu Sep 11, 2008 4:38 pm 
Getting Side Ways
Offline
User avatar

Posts: 659

Joined: 14th Apr 2006

Ride: EF Fairmont Sedan

Power: 180 rwkw

Location: Ferntree Gully
VIC, Australia

If your std cat is not stuffed i heard that you can take it to a wrecker or the like and they will give you $50 or more for it as they have plantinum in them

The Magnaflow cats are apparenlty 200 cell per inch instead of 400 cell per inch that a normal ceramic cat is, meaning half the cell's per inch = a lot less restriction. :)

As well as ebay you can try http://www.bestmufflers.com who is based in Sydney - they have good prices as well :)

I bought the 3" magnaflow cat as well and as my pacemakers have a 2.5" flange I am getting a 3" flange fitted to them to match the 3" cat, it will go to 2.5" at the cat back exhaust

Image

 

_________________

PROEF 13.46 @ 105.78mph - 1994 Ford Fairmont EF NA 6cyl Man 3.9 diff Sedan
Stock Fuel Pump, 29lb Injectors, JMM Street Series Headers, 2.5" Exhaust, 205rwkw

Top
 Profile  
 
 
Posted: Thu Sep 11, 2008 5:09 pm 
Getting Side Ways
Offline
User avatar

Age: 45

Posts: 3440

Joined: 23rd Dec 2007

Gallery: 32 images

Ride: BA XR6T (mix of BA, BF and FG)

Location: Perth
WA, Australia

That was the cool thing about my Genies...

3 inch outlet flange.. straight onto cat.. and sleeved down to 2.5 after cat for the mandral exhaust..
Top
 Profile  
 
 
Posted: Fri Sep 12, 2008 12:23 pm 
Getting Side Ways
Offline
User avatar

Age: 35

Posts: 1775

Joined: 10th Jul 2007

Gallery: 8 images

Ride: BFII Turbo

Power: 253 rwkw

Location: Waurn Ponds
VIC, Australia

i highly doubt there would be any real term gains to be had by going a 3 inch metal core cat over a 2.5 inch metal core cat if your system is 2.5 inch.

 

_________________

enough isn't enough

Top
 Profile  
 
 
Posted: Fri Sep 12, 2008 1:22 pm 
Getting Side Ways
Offline
User avatar

Age: 45

Posts: 3440

Joined: 23rd Dec 2007

Gallery: 32 images

Ride: BA XR6T (mix of BA, BF and FG)

Location: Perth
WA, Australia

huh???

push air at high speed though the honeycomb of a cat is a restriction.. in effect the 3 inch cat would flow less air than the 2.5 inch pipe because of it..

The 2.5 inch cat would flow allot less than the pipe..
look in the end of a 3 inch magnaflow.. they have heaps of holes in them, but add all the hole sizes together and it still works out less than the 2.5 inch pipe in area..

The 3 inch cat provides more holes essentially.. it can flow more and restrict less.
Top
 Profile  
 
 
Posted: Tue Sep 16, 2008 12:38 am 
Getting Side Ways
Offline
User avatar

Age: 35

Posts: 1775

Joined: 10th Jul 2007

Gallery: 8 images

Ride: BFII Turbo

Power: 253 rwkw

Location: Waurn Ponds
VIC, Australia

would like to look at one actually so i can nut a few things out. remember its not all about flow, its about velocity. go too big and you loose flow speed. hence my hankering to have a look see. if there is space from where it widdens to where the honeycomb starts you could get depressurising effect at low rpm making it harder to push through. this would be overcome as rpm rises and more gas tries to force its way through.

 

_________________

enough isn't enough

Top
 Profile  
 
 
Posted: Fri Sep 19, 2008 2:25 pm 
Getting Side Ways
Offline
User avatar

Posts: 659

Joined: 14th Apr 2006

Ride: EF Fairmont Sedan

Power: 180 rwkw

Location: Ferntree Gully
VIC, Australia

Grimketel wrote:
would like to look at one actually so i can nut a few things out. remember its not all about flow, its about .


Magnaflow 3" Cat
Image
Image

Magnaflow 2.5" Cat
Image
Image

 

_________________

PROEF 13.46 @ 105.78mph - 1994 Ford Fairmont EF NA 6cyl Man 3.9 diff Sedan
Stock Fuel Pump, 29lb Injectors, JMM Street Series Headers, 2.5" Exhaust, 205rwkw

Top
 Profile  
 
 
Posted: Fri Sep 19, 2008 2:28 pm 
Fordmods Junkie
Offline
User avatar

Posts: 11739

Joined: 17th May 2005

Gallery: 11 images

Ride: EL Fairmont, VFR400 racer

Power: 144 rwkw

Location: Melbourne
VIC, Australia

I bought a 2.5" magnaflow off ebay. Was legit and works just fine. Just had to get a pro to weld in the flanges for extractors and exhaust.

Total cost...just under $200.

phong =P~

 

_________________

phongus = Post whore 2006
EL XR6 motor, EL ECU + J3 chip, WADE 1673 Camshaft, 3" S/S intake, Pacy 4480, 2.5" Hi flow cat, 2.5" Lukey exhaust.
Max Power = 144.6 rwkw (03/05/2008)

Top
 Profile  
 
 
Posted: Fri Sep 19, 2008 2:32 pm 
Getting Side Ways
Offline
User avatar

Age: 45

Posts: 3440

Joined: 23rd Dec 2007

Gallery: 32 images

Ride: BA XR6T (mix of BA, BF and FG)

Location: Perth
WA, Australia

yeah.. that looks like mine.. except my inside ceramic honeycomb is more squarish.. (also you can see light though it when you hold it up.)
Top
 Profile  
 
 
Posted: Tue Oct 21, 2008 5:40 pm 
Getting Side Ways
Offline

Age: 29

Posts: 567

Joined: 2nd Jul 2007

Gallery: 1 images

Ride: 5spd EF

bump.

I just bought one of these, it's the same as frankiehs

I just got told from an exhaust specialist that the cat is just a regular cat, he said it's best suited to a 4cyl and for a falcon it won't flow well at all, he wasn't even keen on welding it up for me.

Any help?
Top
 Profile  
 
Display posts from previous:
Sort by  
 Page 1 of 2  [ 16 posts ]  Go to page 1, 2  Next

Who is online

Users browsing this forum: No registered users and 12 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

 

 

It is currently Sun Dec 17, 2017 4:16 am All times are UTC + 11 hours

 

 

(c)2014 Total Web Solutions Australia - Australian Web Hosting and Domain Names