Exhaust cleaning ?

[Smirky]

Afternoon all,
I have a full bcs system on my s3 and it has black ceramic tips , can anyone advice me the best way to clean them ?
Cheers matt

 

[S32B]

WD40 works well.

 

[S32B]

Did you try it?

 

[Smirky]

No not yet I'll try next time I wash it

 

[steeve]

I'd agree WD40.