top brands are like

TODA
Mugan
SPoon sports
Jun

u want the best check this site out

www.inlinefour.com

 

greddy turbo kits are nice... but i wouldnt get an intake+ header if i was goin that way.

 

now THOSE are top of the line.

saying DC sports and AEM are top of the line are like saying the Fender Highway 1 Strat is top of the line. theyre good for the price, but theyre just not as good as high end PRS or Heritage (or in the car case...toda, mugen, spoon, and JUN).

and what neon3kgt said...you dont want to get an intake or header if you're planning on turbo route.

 

If you're looking to get a turbo you won't want a header or intake.

DC and Skunk2 and stuff ISN'T top of the line, but they're real good for the money. If money isn't an issue you can get some really really expensive stuff that will be better.

Ah, I just read all the way though this thread.

There's the top stuff right there! Toda is so dope.

Oh, and welcome to the forum!

 

meh...im a JUN kinda guy myself. i love those ITBs they make. and cunningham makes some damn nice rods.

 

^ +1
I recommend Megan Racing Drift Spec cat-back. It looks nice too the way it sits at an angle plus you get a few horses from it.
Like when you go up hill you don't have to gas it to maintain your speed.

Forty has video clips. Here are the links:
http://media.putfile.com/Exhaust-from-Left
http://media.putfile.com/Exhaust-From-Right

 

I'm not sure if they make it for the 03's but if i had a 99-00 i would get a Password:JDM carbon fiber intake. I've read good reviews and I love carbon fiber.

 

CF intakes are ugly as hell IMO

oh yeah...i just thought of this...it really doesnt matter what brand you get. they all work the same for the most part. the only difference in exhaust is sound, and the only difference in intake is fitment. a cheap ebay intake is gunna be harder to put on than a brand name Injen or AEM.

 

Ive got to rep. Skunk2 for exhaust, its what I had on my Si. Also had an AEm CAI, and Dc sports header. <Pretty common.