alright... i am going stage II with my 03 wrx... i have my up-pipe, and i have my COBB V2 accessport... i am saving money to buy a perrin single tip 3in exhaust... My ? for all of you is my downpipe... i live in california so therefore we have catalytic converter laws that can be pretty strict... should i get a catted downpipe... i am looking at a invidia 3in divoced wastegate downpipe... is this a good idea? i know i wont get the power numbers that i could with catless, but what are your thoughts?

thank you,
Trevor

 

It shouldnt matter tat much with the gains - maby 1-5 hp? lol, either way - if you getta catless and get caught...just sell it and get another one. I wanna invidia V3 divorced too =). I think those are catless =)

 

who cares if its catless.. just dont do anything stupid to call attention to yourself and it should be fine. Keep your stock exhaust and when it comes time to smog swap out the turboback for the stock.

 

or just dont drive like an *** hat... and btw, we dont have to smog our cars every two years up here, we just do it when we buy or sell a car!

 

even if u get a catted dp, it's still illegal.


yes we do. New car it's 6 years from purchase, then every 2 years afterwards.

 

and here in calaveras county we only have to do it once when a car is sold or bought... we're smog exempt...

 

Heres an idea, keep your stock pipes and when smog time comes around, slap those stockers back in and set your map back to stock.

Invidia v3 divorced waste gate here.

 

thats got to be one of the small perks of living where u live lol

 

Get a cat back that looks somewhat similar to stock (dual tip), and something that isn't too loud. You shouldn't have a problem with chp as long as you don't drive like a jackass all the time.

 

not up here! only everywhere else.. we smog only when bought or sold!

 

he has one...

hitech mufffler dual tip..

probably the most quiet exhaust i have ever heard except for stock..

 

alright so i got the boost problem fixed... its nice to have boost again...
but i still have the flutter... now i have thought that it might be my CAT... now the weird thing is my cat is in my CBE... haha... funny huh... it is right at the connection of the CBE and my DOWNPIPE(midpipe)... but i hear the flutter... would that cause a flutter sound?

 

if its catted its legal bro

 

way to bump a two year old thread


and if its an aftermarket cat, its still illegal, bro

 

I'm down to drift..oh wait. wrong thread.