Personally? No i dont. I'd opt for AAM if i was ever to get hi flow cats cause of the material they use.

 

AAM's cats are the best

 

Bahah.. 10:22 Sentry. Obviously its true :-D
AAM uses metalic low density catalyst. Its probably 2nd best of what money can buy. Porsche uses a slightly better materal for their turbo cars which can withstand a lot more temperature, but thats not neccary for NA or supercharged.

 

I went with Topspeed headers due to the wicked price during the introductory group buy. They are the same design as the DC/Alpha/Megan/Strup headers, which is equal length. The quality is top notch and the gains are there!

 

hehe yeah you must've barely beat me by a few sec

I plan to switch to AAM cats if my crawfords ever crap out on me


but headers - yeah I dunno. The crawfords I can't say are really worth all the extra hassle and money over other brands, but it is that whole thing with wanting to get the best then you can just check that off your list. It'll never nag you 2nd guessing yourself wishing you could go back and just spend the extra money

 

That pisses me off also. If i dont buy something I really really wanted, i'll just think about it for ever and eventually switch it out.
BTW, even though AAM is the bestt performing, it is much more likely to collapse under high heat. Im pretty sure you're supercharged, so its a nonissue to you, but for turbo applications or even high compression N/A applications, its best to go for straight pipes or stock w/ secondaries gutted.

 

yeah for turbos, I wouldn't even think about it, I'd get test pipes since they do so much to help the turbo spool and reach higher boost levels - also to bring the sound level back up in check.

But yeah with a SC, I fear adding even resonated test pipes and getting a bunch of rasp - as others with similar setups to me have said they end up getting when you have cams, headers, exhaust, with pipes...also not wanting to shoot flames out the back and attract bad attention since my car is already fairly loud as is

 

Get an X pipe exhaust. That'll do more for you than a different HFC, and also you won't throw fire out as often w/ an X pipe exhaust and straight pipes because of the cancelation of pressures.
Don't be fooled though, although sometimes advertised to cancel sound, an X pipe does jack **** to lower the amplitude of the sound. However, it does cancel out rasp and buzzy noises nearly 100% efficiently.

 

Well I just got some Labree test pipes last week and when I went for a test drive on my pig rich non boosting Vortech Z I couldn't believe how loud they droned in the midrange. Sounded amazing up top but is something I couldn't live with every day in the cruising range. Don't know if they will sound better when I get it patched up and I know the wife is going to hate it. HFC it is for me.

 

wrong, im just a lieutenant, working hard to get promoted.

 

my lord, crawfords are soooo expensive then on top of that the install is PITA. for the money why not get a upgraded blower instead?

 

on the upgraded blower....
and equal length headers

 

WOW,
AAM Hi-Flow Cats are 600.00??!!???, thats really expensive. Are they really worth it??

 

I went with DC's and have been very happy.

 

Yeah, but when the motor is pulled to do the 4.2 stroker that will be a good time to throw those crawfords in. I will upgrade the blower after I see what the before / after numbers are with the stroker kit... hoping for a daily driven SC'd monster when she is complete.

 

in all honesty i dunno why you would do a whole stroker kit, with sleeves alone you are good for 650+ whp, which will be hard for you to get with a s/c setup anywyas even if you pour ib tha juice. thats just about extreme overkill

but back on topic... ayh defiantly this is the best time for you to get the crawford in

 

you get a stroker kit for the displacement - and and engine that's more than capable of handling anything the SC can throw at it

 

well i am jsut sayign for any power goals you can hope for on the s/C a stroker kit is not needed, probably not even sleeves if you got all the other parts rigth and a great tune. Buty again thats a different topin... on the headers i think hes got a really good chance wih the crawford to see significant gains... HE does need to get something that flows better than the ssv though

 

IMO you don't need anything, but if you want more displacement to make the engine bigger, a stroker it is really the only way

sounds to me more like you think the built motor part of the stroker kit isn't needed for the "wimpy" vortech?

raising displacement to me seems like a no brainer improvement for SC's


weird cause I'm running the SSV and making a fair amount of power on a vortech with headers etc

 

FYI . . . engine does not need to be removed, just unbolted from the mounts, jacked up a little and shifted (by hand) to either side to make install much easier. Its not a big deal in the scheme of things.