new 182, exhaust advice

[cliosportap]

we have purchased aclio 182 last week to my friend the car is at 25k and not driven for almost 1 year.
we want to change the exhaust system but i thing the cat is problem.
because the cathave 2 o2 sensrors before and after it does it make a redig problem if we take of the cat and apply a staright pipe. we want to take of of the cat but decat pipes are very expensive here. what can we do for this without anu diagnostic problems can we use a staright pipe? if we can how can we use the o2 sensors.
our aim is to put a staright pipe after the headers to thr backbox and take of the cat and mid exhaust is it possible?

the car is here

 

[cliosportap]

no idea?

 

[Rossy197]

If you get rid of the sensors you will certainly get the engine management light on, You can however get this turned off by "clipping" the car

Decat pipes are not that expensive to buy, they should be pretty straight forward to do yourself too as long as you have the right measurements and get the Lamba sensor holes drilled in i see no problem

See here for a decat from K-tec - http://www.k-tecracing.com/show_product.asp?id=1901

That exhaust definately does not look standard to me though, the 182 pipes petrude further out than yours plus the Renault originals are like straws tbh

 

[Rossy197]

EDIT - I had to LOL @ the car jack fella.. Whats with the slates holding the car up ?

 

[cliosportap]

they are made of plastic
the exhaust system is all oem
sometimes renault sends cars with different configuration to turkey
http://www.k-tecracing.com/show_product.asp?id=1901
i looked that and is it a staright pipe and does not have anything inside it?
we can make a custom pipe like that
and can we use the o2 sensors with this pipe without any problems?

 

[chris182cup]

im confused but no problems with 02 sensors on my car after decat , no warning lights

 

[Rossy197]

If you want a decat then you'll have nothing inside the pipe bar air

Do you want to decat the car i.e get rid of the catalytic converter ?

TBH i'm slightly baffled too but i hope i'm getting there

EDIT - yes you can use the O2 sensors with that pipe on K-Tec

 

[chris182cup]

i dont know why more ppl dont decat especially after i felt the weight of the cat compared to the decat, and of course the nicer raspy sound

 

[Gaz_]

Not really worth it on a 182 though. Very efficient. Worth doing more on a 172. Re the light, it may come on it may not. I plugged the second hole with a blank and left the o2 sensor plugged into the loom, and taped it up under the car. It didnt bring my light on

 

[Dave..]

im confused but no problems with 02 sensors on my car after decat , no warning lights

My light only came on after 6 weeks, if you've not had it long, the light will make an appearance

In regards to the OPs original question, you can stick a bolt in the decat pipe, where the second lambda sensor goes, and then tie the second lambda sensor under the car, leaving it plugged in. If the sensor can't detect fumes, the light doesn't come up.


Edit: Beaten to it.

 

[Gaz_]

snooze you lose

 

[chris182cup]

well i did post a thread today saying my light flashed at me briefly for 10 or so seconds then stopped haha

Well i think its worth it gettin a decat i do feel a slight different in low revs or could be the placebo effect

cat still weight lots compared to decat and seein as i have a nice mot man things r cool mot time

 

[Gaz_]

aye, light dosent do any harm ayway, so no biggie

 

[cliosportap]

i know that in hondas using a straight pipes is problem
they use a resistance to not have any fault lights or use sport cat
and wondering if we have also problems like that
as ican see in uk u are using that kind of pipes
so we can make a custom pipe like that without using the second o2 sensor

 

[chris182cup]

nah it just started to flash briefly but not gonna worry about it, i did come on steady 2 weeks ago but swapped two sensors over the front one was fecked and was only gettin 19mpg now gettin 22mpg but all city driving average around 10mph

full service tomorrow so hope mpg improves after that

you need pre cat sensor , rear sensor dont do much ( im probably wrong )

 

[Gaz_]

i know that in hondas using a straight pipes is problem
they use a resistance to not have any fault lights or use sport cat
and wondering if we have also problems like that
as ican see in uk u are using that kind of pipes
so we can make a custom pipe like that without using the second o2 sensor

It will be fine. You can make a pipe like that, or just by it and use a blanking plug to seal the hole

 

[murcod]

they are made of plastic
the exhaust system is all oem
sometimes renault sends cars with different configuration to turkey
http://www.k-tecracing.com/show_product.asp?id=1901
i looked that and is it a staright pipe and does not have anything inside it?
we can make a custom pipe like that
and can we use the o2 sensors with this pipe without any problems?

Hi, are you sure the exhaust is all OEM?

The reason I ask is you've got slash cut tips which isn't normal for a 182. Also, from the underneath view of your system the mid section is different to my OEM system- you appear to have an extra flex join and a different centre resonator to what my 2005 model had stock.

It's also got Konis fitted - nice!

 

[Fred@BTM]

looks like a magnex/miltek

 

[cliosportap]

i will check it again
but when we lifted up the car i saw renault writings on them
but you can be wright i have a suspicion for that

 

[jack_davey]

exhaust hangers look different on that

 

[rwaterman]

That is a Magnex exhaust or mongoose they both come with those upgraded exhaust mounts!

Rob.

 

[cliosportap]

yes you can be right
it seems to be a mongoose catback
i found a picture here for mongoose
how about magnex?

 

[rwaterman]

^^Exactly the same as a Magnex. I have a magnex on my 182 although yours sits much nicer than mine!!

 

[murcod]

There you go! I saved you some money.

 

[murcod]

Here's a stock 182 centre section:

 

[cliosportap]

There you go! I saved you some money.

thanks alot
so we have a cat back system lol
only need a decat pipe also itake of the mid one for more sound