High flow cats

[mickkcim]

Hey guys, I know this has been asked before but it never really got a definite answer, I have a VE Auto L98 with a 2.5 cat back exhaust and I just put on LS3 headers and cats. I'm trying to work out whether it would be worth getting high flow cats or not, Would I notice the difference or anything?
Cheers.

 

[07GTS]

the hsv headers have the cats on at a near 90 deg angle so any change to smooth that out will help and pretty much any better cats will be an improvement over the factory ones... one the dyno u should see a difference but weather u can feel it yourself is another...

 

[mickkcim]

Yeah that's kind of what I thought, thanks for your help.

 

[glennho]

I put 200 cell cats on my ss with HSV headers and 2.5 catback and you can notice the difference but the sound change i noticed more as the HSV cats are very restrictive.made it louder and when i got it tuned then you really feel the power increase and response from the throttle.

 

[Not_An_Abba_Fan]

As above, it makes it louder and it will flow more. Coupled with a tune is where you will see the best improvement.

 

[mickkcim]

Righto awesome I'll get some fitted on payday and get it tuned.
Cheers for all the help.

 

[PIR4TE]

Yes, another guy just asked the same thing in another thread this afternoon.
Placement and design is important, take a look at that thread.http://forums.justcommodores.com.au/newreply.php?do=newreply&p=2620889

 

[GEN3RATD]

I have 100 cell cats and love them.