Aftermarket exhausts causing black soot

[J_kennington]

so I put a nameless axle back on my car with 4" tips. After ~week of driving the tips are covered in black soot.

My friend has a j2 catback on his and same thing.

Is this common? Reason for the soot? Anyway to keep it from creating the soot?

[Digitalanalog]

Originally Posted by J_kennington

so I put a nameless axle back on my car with 4" tips. After ~week of driving the tips are covered in black soot.

My friend has a j2 catback on his and same thing.

Is this common? Reason for the soot? Anyway to keep it from creating the soot?

please tell me this isn't a serious question....

[J_kennington]

Originally Posted by Digitalanalog

please tell me this isn't a serious question....

Why would it not be? I've never owned a vehicle that turned tips black after a week. Even more so with a cat in the mix. My eclipse is a straight piped exhaust from turbo back, guess what...no black soot. My 1500 is a dual straight pipe, no black soot.

If your not going to be constructive, you don't need to reply. Simple as that.

[Malt]

Originally Posted by Digitalanalog

please tell me this isn't a serious question....

Please tell me you are going to contribute more to the forums than some BS worthless post.

Originally Posted by J_kennington

so I put a nameless axle back on my car with 4" tips. After ~week of driving the tips are covered in black soot.

My friend has a j2 catback on his and same thing.

Is this common? Reason for the soot? Anyway to keep it from creating the soot?

Are you running a catless header or front pipe? Several things could be causing soot to develop but even aggressive driving on a stock vehicle could cause the same thing.

[J_kennington]

Originally Posted by Malt

Are you running a catless header or front pipe? Several things could be causing soot to develop but even aggressive driving on a stock vehicle could cause the same thing.

Everything on mine is factory other than the axle back. Which is why I just don't understand it. I guess it technically be from aggressive driving.

[boredom.is.me]

Ah, this is nothing out of the normal for almost any car. You just clean it when you clean the car.

[Digitalanalog]

Originally Posted by Malt

Please tell me you are going to contribute more to the forums than some BS worthless post.

something about a kettle calling the pot black.

its normal, stock or modified. How much carbon there is can be related to the mods.

[Digitalanalog]

Originally Posted by J_kennington

If your not going to be constructive, you don't need to reply. Simple as that.

considering carbon is a byproduct of fire and there are many explosions going on in the engine bay you should be able to see that its normal

[Akari]

My completely stock BRZ(including exhaust) accumulates black soot on the exhaust too. It's a combustion engine, what do you expect?

[Sypher]

want it to go away? buy a Nissan Leaf lol

[tahdizzle]

You know, I understand why people are getting bent out of shape with this question.

and I understand why people are getting upset for other members not replying with constructive posts.

BUT. This question is on the same level as: I left my car parked on the street and it rained. After the rained stopped I went for a drive and noticed HUNDREDS of spots on my car.

[FR-S Matt]

Welcome to every car on the road. It's a byproduct of combustion. You'll have to clean it off. Happens on catless cars, happens on bone stock catted cars with all sorts of restrictions. No getting around it.

[tahdizzle]

Originally Posted by FAER

So i installed my innovative supercharger yesterday and last night we had a storm and now my car is soaking wet. Is this a common problem for superchargered fr-s'?

Just make sure your muffler bearings are not exposed and you should be good.

[J_kennington]

Pretty sure you all took it way out of context. I'm not saying a motor should never create any. I'm saying I don't believe a stock motor with stock exhaust should create enough to turn 4" tips completely black in a weeks time. If I had no mufflers, no resonators, and no cats. I could understand a good bit being produced out the tip. But with 2 cats, resonators and 2 mufflers, that's ALOT of black making it through in my eyes.