DaOne54

So i decided that me and a friend will be doing my exhaust on my sol. I'll be getting 2.5in piping from SummitRacing (its 10 min from my house). the local muffler shops are asking for ~$400 for the full exhaust. And i can get 4 feet of 2.5inch tubing for 13 bucks.(http://www.summitracing.com/parts/SUM-640025/) So I believe its worth a shot.


The questions are:
1. I have a turbo downpipe that is 2.25inches. would it be a good idea to go 2.5inches after the downpipe? or make a bigger downpipe? will it really even matter?
2. Does the size of the cat matter? when it comes time to getting smogged i want to be able to pass..there is some that are shorter than others. will any do?
3. I'll be installing a resonator to keep it as quiet as possible, should i instal one long one, or 2 short ones? I've read that different sizes change the tone at different RPMS..

I want this to be as quiet as possible. I wish i could leave it stock..
Havent made up my mind about the muffler yet. still looking for a reasonable priced, and quiet exhaust.
I like my stock sounding exhaust. I like being able to talk to someone while on the freeway...lol
I was also thinking about getting a stock muffler from a different car? if there even is one with a 2.5in...lol

THANKS!


EDIT: I'll be using a Greddy 15g Turbo, D16z6. hoping to hit ~180-190HP.

ryguy2588

iTrader: (11)

The 2.25" downpipe might be restrictive depending on how much hp you are looking for, but in general a 2.5" downpipe is a good size if you aren't looking for anything over 300 whp. Get a cat that is the width of your piping diameter. Vibrant makes a 3" high flow cat that I bought for $80. I'm not sure on the resonator. I just went with an 18" one. There's not a factor 2.5" muffler unfortunately, but the vibrant stealthpower flat black one seems to be quiet when you have a cat and resonator.

DaOne54

Thanks for the input!
Well im only looking to hit ~180-190 for now untill i build my block for boost later on.
Yeah thats what im probably gonna go with. A 2.5in cat, and resonator somewhere after cat(2.5)
Might be going with this cat http://www.summitracing.com/parts/MPE-53006/

Yeah i agree this exhaust sounds very quiet! http://www.youtube.com/watch?v=RlSBH...eature=related

Thanks again.

ryguy2588

iTrader: (11)

Ya the cat is where most of the sound gets cut out. So as long as you have a high flow cat and a resonator, and not a fart can, you'll be pretty quiet.

EsotericImage

iTrader: (8)

i dont use a cat and mine is quiet with the vibrant..

DaOne54

Thanks for the input
But i'll be running a cat in order to be able to pass the yearly smog tests here.

Thanks guys, i like the quietness of the Vibrant, so I will be going with the Vibrant muffler.

SQ is the SQUAD

if you look up columbia river bending they make a 2.5" exhaust piping kit for your car, pretty cheap. good bends, not that crushed bullshit.

when i did my ef i used there kit with a magnaflow muffler, hi flow cat, and resignator, it was a nice quiet exhaust, no smells but i never did emissions testing.

DelSolMarine

i recommend a 2.5 downpipe to mandrel bent 2.5 exhaust with 2.5 mil.spec 100 cell cat and resonator and keep your muffler

DaOne54

Sweet I'll check them out. thanks!

Your saying to keep my stock muffler and weld on bigger inlet and outlet piping to it?

EsotericImage

iTrader: (8)

http://www.vrsexhaust.com/TUBING_KIT.../honda_tk.html

i knew i kept this link bookmarked for a good reason..mandrel, and flanges and hangers.

DelSolMarine

im so sorry...i thought u were the dude with the hatch in the video.... you need a 2.5" muffler... a apexi ws turbo muffler would probably be good... or a thermal 2.5 muffler something of that kind... stock muffler is way to restrictive

dc2rboost

id go with the columbia River bent piping it and just take to an exhaust shop should only be around 100 buxs to weld it and hang it.

heres the link!
http://www.mandrel-bends.com/catalog...ized-1483.html