hey wassup guys , just wonering if hollowing out my cat is worth it or not? ive herd stories where u lose power and also herd some about a good mid range power gain so just wondering what u guys think or if youve done it what the reuls were ...thanx

 

if your talking about gutting your stock cat then make sure you have a extra one if you dont like it. It does give you some more hp but to me i dont like the smell of it.

 

is there alot of fumes when doin this? main reason is i think its clogged up already so im losing power as is ...

 

I never smell much of anything, and mine has been gutted for a while.

 

might aswell get a real test pipe, gutting it will cause some turbulence

 

not to mention that ricy buzz noise....

 

I gutted my cat only because it was stopped up and im to cheap to buy a new cat or test pipe. It sounds like a wet fart in high rpm, where it did'nt before and if I get on it there is a slight smell.

 

gutting your stock cat makes your exhaust tone take a dump, like said before, it sounds like a wet fart

 

Its not worth it, you're killing yourself.

 

dont do it... complete waste. I did it to my car when i first got it and it threw a CEL, smelt like **** and made the exhaust sound hollow. For the very minimal power gains u recieve its not worth it...

 

if your car is obd2 it will throw a cel because of the secondary o2 sensor

if its obd1 then you shouldnt have and cel's

 

I thought about putting on a test pipe but I'm having second thoughts after reading this thread. But if I should still decide to do it, what test pipe is the best to go with? I'll be using this for various track days & auto x events.

 

I am also thinking about getting a test pipe. My car is converted obd1 with a P30. If I change to a test pipe, I will either get a SKunk2 or an Omni.
Not to thread jack but will the thread has been made.
How much HP do you gain by swapping to a test pipe?

 

I think if i was to hallo the cat i rather just put a testpipe.

 

thanx test pipe it is and plus i dont feel like fighting with thos rusty bolts.. whats a good test pipe?and about how much money are they?

 

I was considering an OMINI but from what I found out it has an adjustable centerpiece, not being a solid unified pipe that might cause a mild leakage or who knows what else?

 

so far ive looked and omni is only one that makes for my year i have a 90 ls id like to get the skunk 2 but they dont have one for my car unless one from a newer teg will fit or even from a civic any one know if it will fit ?

 

Why are you guys wondering what a Good test-pipe is,
it's a Straight pipe with flanges on it, you can't mess that up too much.

Even have a muffler shop make one up if need be, just have the Right flanges.


and at the Very most slammed, you might make 5hp off a test pipe,
I'm not saying average either, that could be the most you will make off it.

You would notice a much larger gain if the car was turbo'd,
but a lower hp n/a engine won't make a whole lot off no cat.