so i just took off the exhaust on my 86 n/a just from the cat is that ok? i mean i love the LOUD purrr it does now.. but i dont want to mess anything up?

 

as long as you didnt remove the cat itself...if you did, put it back on otherwise your 5th and 6th ports wont work.

 

no the cat is still on... thanks bro...

im surprise more people dont do this... it makes it alout faster.. and alout hell of alout louder... i pulled into a gas station today and reved it up to maybe 4 grand and some kid pluged his ears... hah.. its loud

 

can you say ghetto!

 

lol... im sorry you think that way... lets race? if you can beat me then you can still call me car ghetto ok... till then be quite kid....

 

I seriously doubt that. You only think it is faster because it is louder.

 

it makes it a little faster. all-in-all, it's not worth the noise. Rotaries are just way too loud to run like that. Save up for an exhaust setup, better then losing your hearing and tickets.

 

LMAO are you talking **** with a 86n/a about how fast your car is? lay off the crack bud. No need to snap show over a little comment.

 

Congratulations! You will soon be recieving multiple tickets! All the money you will recieve in excessive noice violation fines will have paid for a nice setup, which would remove the Cat, and gained you actually noticeable horsepower!

Have fun being deaf, getting less gas mileage (obviously you're going to drive it harder), and having 1-2 extra HP!

 

you can get cheap mufflers and have a shop do a custom exhuast for pretty cheap....just ripping it off by the cat is ghetto

 

why dont you go single exit?

 

no exhaust has always seemed gheto to me.

 

You would actually notice more of a speed boost if you got rid of the old stock cat(s) themselves. I'm not saying remove it, but you may look into getting a high flow cat (expensive, bleh) or just a straight pipe (not expensive!) in it's place. You'll need mufflers though, I rode in my FC with the cat disconnected ONCE, never again. I had to drive with my finger in my ear, and I'm pretty tolerant to loud exhausts.

One thing though, without the mufflers you shouldn'lt hurt the car much. The underside of you car is going to get VERY dirty, and you'll probably smell exhaust more. The one thing I worry about is that RX-7s are known to shoot flames, and you don't really want flamage in that part of the car. It's not likely to happen with stock cats on the car, but anything is possible.

 

guess whats behind that flamethrowing also, a gas tank, kaboom!

 

when you said 5th and 6th ports wont open with no cats is that because of a sensor or too much air i had strait pipes on my x7 and that was preety loud so i got a high flow cat and noticed more power.

 

depends if you have s4 or s5. s4, the ports open by back pressure from the cat. s5, they open with the air pump

 

wait a minute...So those of us with S4's cant run straightpipes because our 5th and 6th ports wont open?

 

thats what i read i think i have a s4

 

Strait pipe=no aux ports on S4s, unless you open them by use of the air pump. And before you ask about how to search.

 

If you get the RB presilencer on s4's it will still operate the aux ports. I ran my car with only en exhaust manifold for a few days. Damn it was loud. Cops didn't care, though.

 

what!?!

 

Cops dont care around here so much either. Its mainly in highly populated areas.

 

if straight pipe means a single exhaust pipe, then you're wrong. i have a 88 n/a with a single exhaust pipe and my ports work fine. i can post pics of the set-up if you like? (*disclaimer* if you mean something else by saying straight pipe then i'm sorry)

 

yeah cops dont **** with nice cars in the east/north bayarea in ca, they just pull over the APC hondas and acuras, basically anything that looks like complete hack ****

 

i got pulled over only once with my fb for loud exhaust. following day i drove next to a cop and he didnt say anything. go fig.