mkiv98

iTrader: (5)

So I have a DP and k&N drop in filter in my car as it is...I have a RB dual catback ready to go on as well. would it be a bad idea to bolt this on before picking up a power fc? my car already gets up to 11.5 psi as it is

DaleClark

iTrader: (55)

Really hard to say. I'm assuming you do have a boost gauge at least.

If you want to play around with the pills on the stock boost controller, you maybe can make it happen. But, you're borderline. If you're getting the PFC soon, just wait.

Dale

96fd3s

yep its a bad idea.
you would probably be fine, but is it worth the risk? thats up to you.
Personally I dont think its worth it.

silverTRD

iTrader: (37)

are you sure its a stock cat? usually its the 3 rule as some have referred to it as...intake, exhaust, downpipe, hi flo cat, or something like that.

even when you go pfc, it'd still be a good idea to port the wastegate, once you add in a standalone ecu, its all downhill. ask me how i know? hehe

Sgtblue

iTrader: (16)

If you're planning additional mods over what's stated, a PFC would be logical. Otherwise it's not needed and why not just get a boost controller?

RENESISFD

iTrader: (13)

I think you should install a boost controler before you mod any further, due to your higher than normal boost.



John

mkiv98

iTrader: (5)

Hmm that's a good point about the cat. I do not know if it's stock. Does anyone know if PFCs from out of state work on CA cars? I ask because of the octane difference.

RotoryDreamer

A PFC isn't an install and forget it type mod you'll still have to have it tuned by someone that knows what there doing. Yes the PFC will plug n play though if your buying it used its hit or miss. Also with a PFC every time you add more power upgrades to the car you need to have it retuned. I would suggest a boost controller and a wideband if you don't already have em.

CloudPump

iTrader: (2)

Hit or miss is a little pessimistic. From what I've read and from what is stated in the PFC FAQ in the PFC forum is that they're pretty much bullet proof and there aren't really any reports of them failing.

-Geoff

RotoryDreamer

Sorry meant that as more of its hit or miss if the maps on it will be usable for your app if its used. Though idk a lot about the pfc I could be wrong and its possible to reset to base map after its aready been tuned.

moconnor

iTrader: (14)

The PFC can be easily reset to use its base map.

The so called "base mod" map (which came with later versions of the PFC) runs quite rich and has conservative timing. I ran with it unmodified for about a year up to 13psi with the usual bolt-ons.

I see the claim that a PFC has to be immediately tuned quite a bit and am not sure why. Its standard map is not all that different from the chipped stock ECUs from M2 or PFS (which are not subsequently tunable).

Sgtblue

iTrader: (16)

The OP has a downpipe, a K & N drop-in and intends to install a cat-back. Regardless of whether he has a stock cat or even a hi-flow, I don't see the need for a PFC right now unless he intends on adding more power mods down the line. The only other reason would be if he intends to delete emissions, which isn't likely since he's in California.
He's got a little spike, which given those mods is a little surprising. But IMO he could get by with a $200 EBC vs. spending $800 to $1000 (without tuning costs) on a PFC.