Thread: upgrading performance

Originally Posted by wickedintent79

It all depends what your budget is and what kind of performance you want.
As far as Intake goes tdcracing has a fender well intake thats pretty close to the best your ganna get for the money...

As far as mods got though this will probably lead you in the right direction..
http://www.grandprixforums.net/f81/s...car-17482.html

THANK YOU...was wondering if I was going to have to post that in EVERY thread LOL

Originally Posted by Sandman

Always start out with the basic boltons before you do anything serious like a pulley (intake/exhaust).

^^ YUP! Don't think you can drop pulley sizes with a cat back either because it does nothing for you.

Originally Posted by BoostedComp

with you having a gtp... im gonna say the beat thing for the money is the u bend delete in the exhaust... for 40 bucks a exhaust shop will weld a straight pipe and make a bung for your o2 sensor. they said this will net you between 5-7 hp... and for fourty bucks that isnt bad. if you feel like spending a little more a downpipe would also be huge. and if your running close to as much as you want to spend... jusy go buy a cone filter and slap it on... i believe even open cone is better than that airbox. then you can reuse the cone when you get a complete intake system.
at least thats how i would go haha. best of luck! happy modding!

I agree on the U-Bend, but not so much on the open cone...you need colder air the less modded your car is. Having a '03 too...they are a b*tch and a half to tune also...thanks to the '04 Transmission and psycho messed up valve body in the tranny...meaning you can't buy a '98-'02 PCM for your car, just '03 specific.

I just sold my DHP Tuned PCM that I bought back in '07 when they were still in business...too bad...but if superv6 ever gets a custom tune for his car, I'm sure he'd let it go to ya

And another thing...READ, READ, READ...that is the best thing to do...especially that thread that I took all that time to write for all you new guys