AM993

Billy Boat (B&B) mufflers and tips. Scroll down the bottom of this link: http://www.bbexhaust.com/car/996/

AM993

A bit or research on the Rennlist forum and voila, from "Macster" :
"Is the plastic hard or soft?
If hard it can be a piece broke off from one of the camchain guide rails. These (aluminum) are protected with a composite plastic covering. The plastic is hard. And there are two colors, a light brown (caramel colored) and a darker almost black brown.
If the plastic is soft, and the fact the engine was just worked on, this could very well be from the sealant that is used."

996_North

do you have the headers as well ?

Imo000

There are headers on there but I assumed they were stock. Are the factory ones cast?
Here is a pic.

Imo000

All the plastic pieces are hard and most are dak borwn and one large piece is black and curved. They all look to me part of the timing chain guides, or pads and not seals from a bearing. Clive was over today, brought me some good reading on the IMS issues and he saw the pices too.

Imo000

I think I've answered my own question. If these are the stock parts then, what this car has are not stock.

AM993

Depending how curved it is, it could be the IMS bearing cover. See photo below:

Imo000

Sorry I wasn't clear, it's curves like the top of a chain tensioner pad, not like the seal of a bearing.

theiceman

Really if someone can bring there old ims on Saturday I can show it to imre to compare. Also does anyone have the bearing removal tool?. I am with imre and it looks like guide. But remember a busted ims bearing will hammer those guides with slap. I can't wait for a look once the engine comes out.

Imre I'm heading over with more reading

theiceman

Btw I think they are stock pipes. Cast on a 911? Bite your tongue sir.

aviography

https://rennlist.com/forums/8756453-post1.html are some pix of my 2000 car, which AFAIK has bone stock exhaust system and match the parts diagram, yours certainly look aftermarket.

Nope, Clive.

theiceman

Well now the question is what are they then? I guess it would make sense the exhaust has been replaced at some point at that milage.

Imo000

They look old so it wasn't replaced recently.

theiceman

wellonce you get em off we canhave a closer look . I think Colin has after market exhaust too. Maybe they are the same ?

Imo000

Thanks for the reading matetial Clive.