quad

Hi folks,

I am going to start searching for an IS F, and curious what mods we can do in California that will pass smog? I know headers won't pass, but outside of the normal air box and exhaust, what else can we do here? I'd like to hit close to 400whp, but not sure if I can get there and still be legal.

thanks all (and if you'd like to PM me the "how" or "what," that would be great).

I'm in San jose,

Quad

SeanGTS

iTrader: (1)

I think money talks... just need to fine a "good" smog checker... and slip some cash...

ShadowISF

iTrader: (10)

There isn't much more than headers, exhaust and intake. You can get NOS though. But if you get the H/E/I combo, you have to do what seanGTS said...

quad

How much go/tq will the H/E/I provide at the wheels?

ISF4life

iTrader: (30)

400 to 420 rwhp.

flowrider

iTrader: (9)

Do a search and you'll find many dyno runs with those mods. Mine included

Lou

quad

I've seen 390 whp with E/I only, does that sound about right? Borla plus Z's intake?

iH8RICERZ

iTrader: (3)

its debatable with just E/I... headers is the biggest performance mod.... gains of 30-45 whp alone. Then again, you're not going to pass the sniffer with this mod.

MMCRacing

For "Smogging" in California, there are mods that fail the sniffer and mods that fail visual. Headers + HF cats often pass the sniffer, but fail visual. So if you find a place that is lax on the visual, you may get by. Headers + race pipes will always fail the sniffer.

The best option when possible is to just buy a new car. You get a 5 year pass on smogging it (unless the police ticket you while pulled over for a mod). Otherwise you can always swap parts before/after smogging if you keep the stock parts. Headers aren't a quick swap out, but cats and cat-back are. If you can't do the work yourself, just budget for the labor as a cost of making extra power.

FD3SISF

iTrader: (2)

Money will let you pass smog in CA. If you have the money to spend on mods to more HP. You should have no problem passing smog.

2dank

Sorry to quote you for joking .. Let's just keep using money since it works until law becomes stricter and we can't do it any longer.

boostftw

iTrader: (3)

True... what year is your car? Money will def' let you pass in CA, you can pay a shop to swap back to stock parts or you can make the smog techs wallet fatter.