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Hey so i have a 04 rx8 and its been my senior project to work on it. Ive worked at a chevron service station for a wile and money isn't as big of an issue as what to put in next. I was hoping to get a turbo later becasue the turbo i was hopin to get was pretty big and therefore expensive so i wanted to learn about every part i can before turbos. Currently i have a k&k cold air intake, Greddy sp2 cat back, SR motorsports high flow car, light weight flywheel, sr motorsports extreme clutch, and i just got lightwieght wide grip pullies and perforance ignition wires. and now im not quite sure what to get. difficulty wise for installation the sky is the limit because i am part of a auto tech class and my boss at chevron can both be good sources to ask for help from. handeling wise i have a front sway bar, front strut par, and front rx8 r3 shocks i got from a juckyard which stiffened up my car quite a bit. but for now ive been trying to focus on power but if anyone has either good offers on parts or ideas i should get in order for my car to handle the power then i would like to know about that too. but ya just trying to learn more about the rotary. i love it, its been my favorite car since i was about 13 and still is.

BHR coils are a must, and their fuel pump upgrade should help once you get under boost

look for a Cobb tuner

I know you are looking at power, but I highly recommend that you invest in a good set of gauges, as the ones on the dash are junk. Also, I recommend getting the Racing Beat Oi cooler and radiator screens. There are a good number of threads showing the importance, as these highly exposed parts are not cheap.
Power wise- the above posters are a good start, don't expect to get a lot of hp staying N/A, tho.

Nice set of tires and maybe a better set of coilovers. Depends on the power levels and goals you are aiming for.

Cobb accessport, Sohn OMP adapter, or axial flow short shifter. Depends on how much funds you currently have available.

Remove all the crap parts you have installed and get the ones that really work.
Bye bye k&n short ram, welcome AEM cai.
Bye bye sr motorsport cat, welcome real sports catalyzer and so on.
Also remove the "extreme" clutch and put a common exedy stage 1 unit. Your transmission will thank you.

^^+1

Lol thanks especially for the intake cause I had a feelin the k&n wasnt that much better than stock and thanks for the other part and suggestions and I did get some tires but I think I'm gona b headed towards some coilovers but was wondering if someone could explain how the switch between the clutches would help the trany but if there's already a discussion on it then that's chill too

If you want more power, get a header, and an AEM intake. If you don't have an under drive pulley, get one of those too.

Definitely get it tuned. That's the biggest thing.